AR 15 Accessories Gun Lower Parts

Best AR 15 Lowers 2022

Top 31 AR 15 Lower Parts Kits

Table of Contents

Top 31 AR 15 Lowers / AR 15 Lower Receivers / Lower Parts Kits – Editor’s Choice

AR 15 Lowers are one of the most popular products on the market today. There are many different brands and styles to choose from, so it’s important to know what you’re looking for before you buy.

When it comes to AR 15 Lowers, there are two main types: billet and forged. Billet AR 15 Lowers are made from a solid piece of aluminum, while forged AR 15 Lowers are made from two pieces of aluminum that are welded together.

There are pros and cons to both types of AR 15 Lowers. Billet AR 15 Lowers are more expensive, but they’re also more durable and have a more finished look. Forged AR 15 Lowers are less expensive, but they’re not as durable and don’t have the same finished look.

No matter which type of AR 15 Lowers you choose, be sure to do your research and read reviews before you buy. This will help you find the best product for your needs and budget.

#1 Strike Industries AR Enhanced Lower Receiver Parts less Trigger AR 15 Lowers

Strike Industries AR Enhanced Lower Receiver Parts less Trigger AR 15 Lowers

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The Strike Industries AR Enhanced Lower Receiver Parts less Trigger AR 15 Lower Receiver is a high-quality AR 15 lower receiver that comes with many features that make it an excellent choice for anyone looking for a AR 15 lower receiver. This AR 15 lower receiver comes with a Strike Industries enhanced trigger guard, a flared magazine well, and a bolt catch release lever. These features make the AR 15 lower receiver an excellent choice for anyone looking for a AR 15 lower receiver that has all the features they need. The AR 15 lower receiver also comes with a mil-spec buffer tube and a six-position stock, making it a great choice for anyone who wants a AR 15 lower receiver that is both durable and comfortable to use.

Pros:
  • High quality and durable

  • Lightweight and easy to carry around in a backpack

  • Has skeletonized trigger

Cons:
  • Doesn’t come with any instructions when it comes to installing the lower parts kit

  • Not ambidextrous

#2 TRYBE Defense Mil-Spec Complete AR 15 Lower Parts Kit

TRYBE Defense Mil-Spec Complete AR 15 Lower Parts Kit

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With this kit, you’ll have everything you need to complete your AR-15 lower receiver. It’s made from high-quality materials and is backed by a lifetime warranty, so you can rest assured that it will last for years to come. Plus, it’s priced affordably, making it a great option for budget-minded builders.

What’s included in the TRYBE Defense AR-15 Mil-Spec Complete Lower Parts Kit? Everything you need to complete your AR-15 lower receiver, including the following:

  • AR-15 Lower Receiver Parts Kit
  • AR-15 Buffer Tube Kit
  • AR-15 Stock Kit
  • AR-15 Grip

With this complete lower parts kit, you’ll have everything you need to assemble your AR-15 lower receiver. Plus, it’s backed by a lifetime warranty, so you can rest assured that it will last for years to come.

Pros:
  • Includes everything you need to complete your AR-15 lower receiver

  • Made from durable materials that can withstand the abuse

  • Easy to install

Cons:
  • Some buyers have complained about the quality of the finish on some of the components

  • Some components may not be compatible with other AR-15 parts kits

#3 Aero Precision M5 Magpul MOE AR-15 Lower Parts Kit

Aero Precision M5 Magpul MOE AR-15 Lower Parts Kit

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The Aero Precision M5 Magpul MOE Lower Parts Kit AR 15 Lowers is a high-quality kit that allows you to fully customize your AR 15 rifle. It includes the following parts: pistol grip, trigger guard, magazine release, bolt catch, and takedown pins. The components are made from durable materials and are engineered for a perfect fit. This lower parts kit is an excellent choice for anyone looking to build a custom AR 15 rifle.

Pros:
  • Made from high-quality parts

  • Easy to install

  • Magpul MOE grip and stock

Cons:
  • None found

#4 CMC Triggers Complete AR-15 Lowers Receiver Parts Kit

CMC Triggers Complete AR-15 Lowers Receiver Parts Kit

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The AR-15 Complete Lower Receiver Parts Kit from CMC Triggers includes everything you need to complete your AR-15 lower receiver. The kit includes a forged 7075 T6 aluminum upper receiver, a lower parts kit, a pistol grip, and a stock. The parts are all made from quality materials and are backed by CMC’s lifetime warranty. This kit is a great option for those looking for a high-quality, complete AR-15 lower receiver parts kit.

Pros:
  • CMC Triggers Complete Lower Receiver Parts Kit is great for those with AR building experience.

  • Fantastic selection of AR triggers, including Fire Control Group enhancements and matched trigger groups to fit your rifle’s needs.

Cons:
  • Can be difficult to assemble with no AR building experience.

  • May not include all AR Lower parts needed for a complete AR build.

#5 DELTAC AR-15 Lowers Receiver Spring Kits

DELTAC AR-15 Lowers Receiver Spring Kits

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DELTAC AR-15 Lower Receiver Spring Kits are an excellent way to improve the performance of your AR 15 rifle. They are made of high-quality materials and are designed to provide a smooth, reliable operation. These kits come with everything you need to complete your lower receiver, including the buffer tube, stock, and trigger assembly. Installation is easy and can be done in minutes.

These kits are a great way to improve the performance of your AR 15 rifle without breaking the bank. They are an excellent value and will provide you with many years of service. I highly recommend them to anyone looking for a quality AR 15 lower receiver kit.

Pros:
  • Easy installation

  • Increased weapon reliability

  • Enhanced buffer retention

Cons:
  • Some rifles may not be compatible

#6 Aero Precision AR-15 Lower Parts Kit w/Magpul MOE

Aero Precision AR-15 Lower Parts Kit w/Magpul MOE

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Aero Precision AR-15 Lower Parts Kit w/Magpul MOE AR 15 Lowers is a great product for anyone looking for high-quality AR-15 parts. It includes the Hammer, trigger & springs, grip, and foregrip assembly all in one kit from AR-15 industry leader Aero Precision.

The kit uses Mil-spec parts and is top quality. This AR-15 lower kit is also perfect for anyone looking to replace worn-out or damaged parts on their AR-15.

Pros:
  • Includes everything you need to complete your AR-15 lower receiver

  • Made from high-quality materials

  • Magpul MOE AR 15 Lowers provide a comfortable grip

Cons:
  • Some users have reported quality issues with the included pins and springs

  • It may not be compatible with all AR-15 upper receivers

#7 Strike Industries AR-15 Lower Receiver Pin Kit

Strike Industries AR-15 Lower Receiver Pin Kit

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Strike Industries AR-15 Lower Receiver Pin Kit allows the user to securely fasten the upper and lower receivers together via a tension system, thus preventing any unwanted movement. The kit includes two takedown pins, one pivot pin, and a pin installation tool- everything you need for a successful assembly. Additionally, this product is made of durable steel construction with a black anodized finish, so you can be sure it will withstand heavy use.

Whether you are a first-time AR-15 builder or a seasoned pro, the Strike Industries AR-15 Lower Receiver Pin Kit is a great choice for your next project. With its high-quality construction and simple assembly, this product is sure to make your AR-15 building experience a success.

Pros:
  • Easy installation

  • Durable construction

  • Keeps AR 15 receivers in place

  • Prevents wear and tear

Cons:
  • None found

#8 Aero Precision AR-15 Magpul MOE Lowers Parts Kit

Aero Precision AR-15 Magpul MOE Lowers Parts Kit

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The Aero Precision AR-15 Magpul MOE Lower Parts Kit is a high-quality, affordable option for those looking to build or upgrade their AR 15. The kit includes everything you need to get your rifle up and running, including a pistol grip, buffer tube assembly, and stock. The parts are made from durable materials that stand up to heavy use, and the kit is easy to install. With its high quality and low price, the Aero Precision AR-15 Magpul MOE Lower Parts Kit is a great choice for your AR 15 build or upgrade.

Pros:
  • AR 15 Magpul MOE Lower Parts Kit is lightweight and easy to install

Cons:
  • AR 15 Magpul MOE Lower Parts Kit is not compatible with all AR-15 models and may require modification for some installations.

#9 CMMG AR-15 Lower Reciever Parts Kit

CMMG AR-15 Lower Reciever Parts Kit

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This AR-15 lower parts kit is perfect for those looking to rebuild or replace their AR-15 lower receiver. The CMMG AR-15 Lower Receiver Parts Kit includes a premium AR-15 lower receiver, AR grip with a built-in storage compartment, AR carbine buffer, and AR carbine stock. This kit has everything you need to get your AR-15 build off the ground, minus the upper receiver and BCG.

Pros:
  • Made in the USA

  • High-quality materials and construction

  • Includes all parts needed to complete your AR-15 lower receiver build

Cons:
  • Pricey compared to some other options

#10 Aero Precision AR-15 Lower Parts Kit w/Magpul MOE SL

Aero Precision AR-15 Lower Parts Kit w/Magpul MOE SL

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The AR-15 Lower Parts Kit from Aero Precision includes all the components you need to build a complete lower receiver for your AR-15 rifle. The kit includes a stripped lower receiver, a pistol grip, a trigger guard, a magazine release button, a bolt catch, a buffer retainer spring, and a detent pin. It also includes a Magpul MOE SL stock and grip, which are two of the most popular aftermarket AR-15 parts on the market. This kit is a great option for anyone looking to build a high-quality AR-15 rifle without spending a lot of money.

Pros:
  • Lightweight

  • Easy to install

  • Comes with a Magpul MOE SL stock

Cons:
  • None found

#11 Wilson Combat AR 15 Lowers Receiver Small Parts Kit

Wilson Combat AR 15 Lowers Receiver Small Parts Kit

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If you already have a gun but are looking for the final piece to make your AR 15 complete, these replacement parts kits are everything you need. Then Wilson Combat Lower Receiver Small Parts Kit AR 15 Lowers is the perfect accessory from this company. Wilson Combat is a well-known and respected manufacturer in the firearms industry, so you can trust that their products are of the highest quality. This particular lower parts kit includes all the internal small parts needed to complete your AR 15 lower receiver. It’s made from high-strength aluminum and features a black anodized finish for durability. The kit also comes with a full set of instructions so you can easily install it yourself. Whether you’re building your AR 15 from scratch or just need to replace some worn-out parts, this lower parts kit from Wilson Combat is a great choice.

Pros:
  • Quality construction

  • Varied selection of parts

Cons:
  • Limited availability

  • Higher price point

#12 Seekins Precision 223 Rem/556NATO Builder AR 15 Lowers Receiver Parts Kit

Seekins Precision 223 Rem/556NATO Builder AR 15 Lowers Receiver Parts Kit

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The receiver parts kit contains all the necessary parts you need to build your AR-15 lower, including the trigger, hammer, trigger guard, and magazine release, with only a few exceptions (stripped AR 15 Lower Parts Kit and Bullet Button Tool not included). It’s an ideal choice for custom rifle builders, law enforcement professionals, or new shooters who want to create their unique firearms.
The kit includes a Seekins Precision billet AR 15 lower receiver, a Mil-Spec parts kit, a Magpul MOE pistol grip and trigger guard, an ambidextrous safety selector, and a set of DPMS takedown/pivot pins.
The Seekins Precision billet AR 15 lower receiver is machined from 7075-T6 aluminum and features a type III hard coat anodized finish. It is compatible with all standard AR-15 components and magazines and includes a flared mag well for improved reloading speed.

Pros:
  • Lightweight

  • Durable

  • Easy to assemble

Cons:
  • None found

#13 Tactical Superiority AR-10 Lower Parts Kit A2 Black Grip AR 15 Lowers

Tactical Superiority AR-10 Lower Parts Kit A2 Black Grip AR 15 Lowers

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This AR-10 tactical lower parts kit is what you would want if you are looking to get the best AR 10 rifle that money can buy. This lower parts kit has everything, including mil-spec fire control and trigger pins so it will fit nearly any standard AR 10 receiver or other binary style firearms.

Lower Parts Kit Includes:

  • Mil-spec fire control group
  • AR-10 lower parts kit
  • A2 Black pistol grip
  • Receiver extension
  • Castle nut
  • Carbine buffer spring
  • M4 stock

The Tactical Superiority AR 10 Lower Parts Kit is one of the best on the market, perfect for anyone looking to get the most out of their AR 10 rifle. With everything you need to get started, this lower parts kit is a great value and an essential piece of equipment for any AR-15 owner.

Pros:
  • Shinier than the AR 15 lower parts kit.

  • More grip options are available with this AR 15 lower parts kit, including a thin and fat grip that can be switched out to customize comfort.

Cons:
  • The main downside is price as it is more expensive than other models in the market

#14 Strike Industries AR-15 Lower Receiver Pin Gunsmith Kit

Strike Industries AR-15 Lower Receiver Pin Gunsmith Kit

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The kit is a set of AR-15 lower receiver flats for constructing and repairing as well as top-end upgrades. The AR 15 Lower Receiver Pin Gunsmith Kit includes all the necessary tools, pins, drills, and 3/32″ punch to install takedown detents on stripped lowers or anodize them with ferric chloride. The kit also contains an adjustable gas block pin setscrew for perfect gas tube alignment, a handy storage case, and a detent spring assembly tool.

The Strike Industries AR 15 Lower Receiver Pin Gunsmith Kit is the perfect way to keep your AR-15 in top condition. All the tools you need are included, so you can keep your AR running like new. The detent spring assembly tool is a great way to ensure perfect gas tube alignment, and the handy storage case ensures that all your tools are in one place.

The kit is a great value and an essential part of any AR-15 owner’s toolkit.

Pros:
  • The kit is anodized in silver color.

  • The pins and springs are extremely easy to install, with the lower pins being threaded for any AR 15 variant.

  • Comes with grips for both mil-spec and commercial magazines that are very secure when installed but can be quickly removed when needed

Cons:
  • Some people have found that the anodizing can wear off over time

  • The takedown pins can be a little difficult to remove at times

  • The grips for the mil-spec and commercial magazines are not interchangeable

Overall, the Strike Industries AR 15 Lower Receiver Pin Gunsmith Kit is a great choice for anyone looking to upgrade their AR 15 lower receiver. While there are some minor drawbacks, the pros far outweigh the cons and make this kit an excellent choice.

#15 Ergo Grip AR 15 Enhanced Lowers Parts Kit

Ergo Grip AR 15 Enhanced Lowers Parts Kit

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The Ergo Grip Enhanced AR Lower Parts Kit includes both enhanced defense triggers, a tactical grip, and an Ernie ambidextrous lower parts kit the perfect combination for any AR 15 build! The ergonomic design of the trigger will deliver a short, light pull. Easy to install with no gunsmithing.

Pros:
  • The Ergo Grip AR Enhanced Lower Parts Kit is a high-quality product that is built to last.

  • The kit includes everything you need to complete your lower, including the pistol grip, trigger guard, and bolt catch.

  • The Ergo Grip provides a comfortable and secure grip on your AR-15, making it easier to control and shoot accurately.

  • The kit is easy to install, and everything fits together perfectly.

Cons:
  • The Ergo Grip AR Enhanced Lower Parts Kit is a bit more expensive than other lower parts kits on the market.

  • The kit does not include a magazine release or a safety selector.

Overall, the Ergo Grip AR Enhanced Lower Parts Kit is a high-quality product that is built to last. The kit includes everything you need to complete your lower, and the Ergo Grip provides a comfortable and secure grip on your AR.

#16 TPS Arms AR-15 Lower Parts Kit Without Fire Control Group

TPS Arms AR-15 Lower Parts Kit Without Fire Control Group

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This kit includes all of the parts you need to complete your lower receiver build, minus the fire control group. It is made from high-quality materials and machined to precise tolerances, ensuring a smooth, reliable build. The TPS Arms Ar-15 Lower Parts Kit is a great choice for those looking for a high-quality, affordable lower parts kit!

Pros:
  • TPS Arms Ar-15 Lower Parts Kit is well-made

  • It is easy to install

Cons:
  • It does not include a fire control group

#17 CMMG MK3 AR-15 Lower Parts Kit

CMMG MK3 AR-15 Lower Parts Kit

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The CMMG MK3 Lower Parts Kit is a high-quality option for AR 15 Lowers. It includes a bolt carrier group, buffer tube assembly, and more, making it perfect for those who are looking for a complete kit. The parts are made from durable materials and feature a tough finish that can withstand wear and tear. Additionally, the kit comes with a lifetime warranty, so you can be confident in its long-term performance.

Pros:
  • Comes with everything you need to complete your AR 15 Lower Receiver build

  • Precision machined from quality materials

Cons:
  • Some users have experienced issues with the bolt catch

  • May not be compatible with all AR 15 upper receivers

#18 Aero Precision M5 Lower Parts Kit w/Magpul AR 15 Lowers

Aero Precision M5 Lower Parts Kit w/Magpul AR 15 Lowers

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Aero Precision M5 Lower Parts Kit includes all of the essential parts you need to get started, including a trigger, hammer, and grip. It also comes with a Magpul AR-15 lower, which is one of the most popular options on the market. The Magpul AR-15 lower is made from high-quality materials and is designed for durability. It also features a textured grip for added comfort and control.

If you’re looking for a top-rated AR 15 lower, the Aero Precision M5 Lower Parts Kit is a great option to consider.

Pros:
  • Includes trigger guard and pistol grip

  • Easy installation

  • Quality construction

Cons:
  • None found

#19 Aero Precision M4E1 Lower Parts Kit w/Magpul AR 15 Lowers

Aero Precision M4E1 Lower Parts Kit w/Magpul AR 15 Lowers

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Looking to build your custom AR-15? Start with the Aero Precision M4E1 Lower Parts Kit. This comprehensive kit includes all of the parts you need to build a stripped lower receiver, including a Magpul AR 15 Lower. The M4E1 Lower is forged from 7075-T6 aluminum and features type III hard coat anodizing. It’s also compatible with a wide variety of AR-15 parts and accessories, making it one of the most versatile lowers on the market.

If you’re looking for a top-quality AR 15 Lower, the Aero Precision M4E1 Lower Parts Kit is a great place to start. This kit includes everything you need to build a stripped lower, including a Magpul AR 15 Lower. The M4E1 Lower is forged from 7075-T6 aluminum and features type III hard coat anodizing. It’s also compatible with a wide variety of AR-15 parts and accessories, making it one of the most versatile lowers on the market.

Pros:
  • All parts are well made and top quality

  • Great price

Cons:
  • AR 15 Lowers can be a little hard to assemble

Aero Precision M4E1 Lower Parts Kit w/Magpul AR 15 Lowers is a great product for those looking for a top-quality lower parts kit. The price is also very reasonable, making it a great option for those on a budget.

#20 17 Design And Manufacturing AR-15 Billet Lower Receiver

17 Design And Manufacturing AR-15 Billet Lower Receiver

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When it comes to your AR-15 build, the lower receiver is the most important part. That’s why it’s essential to choose a quality product that will withstand the test of time. The AR-15 Billet Lower Receiver from Design And Manufacturing is made from aircraft-grade aluminum and features a hard coat anodized finish for superior durability. It also includes a set screw bolt catch and an integral trigger guard for added strength. This lower receiver also features a mil-spec buffer tube thread size so you can easily install your favorite stock or brace. For added convenience, it also has a rear takedown pin detent hole that is compatible with both .154″ and .250″ diameter pins.

Design And Manufacturing is a leading manufacturer of high-quality AR-15 parts and accessories. Their products are made in the USA from start to finish and are backed by a lifetime warranty. So you can rest assured that your investment will last a lifetime.

Pros:
  • Made from high-quality billet aluminum

  • Very strong and durable

  • Can be customized to match your AR 15 build

Cons:
  • More expensive than some other lower receivers on the market

  • Not compatible with all AR 15 parts and accessories

#21 Silencerco – AR-15 Billet Lowers Receiver

Silencerco - AR-15 Billet Lowers Receiver

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This AR 15 billet lower receiver from Silencerco is designed to be precisely what you need when building your AR-15. It’s made from a solid, aluminum billet for higher quality and precision than cast parts and comes with all the accessory mounting points here inconvenient places for added convenience. Along with that, there’s a crisp, clean trigger guard for an improved grip and a flared mag-well.

This part is also compatible with most AR-15 mil-spec uppers so you can be sure it will fit the rest of your gun. It’s anodized black to match most finishes and comes with a lifetime warranty.
If you’re looking for a top-quality, billet AR 15 lower receiver, the Silencerco AR-15 Billet Lower Receiver is a perfect choice.

Pros:
  • Super lightweight design

  • Comes with threaded bolt catch pin

  • Very smooth finish

Cons:
  • None found

#22 Present Arms – AR-15 Lowers Receiver Repair Block

Present Arms - AR-15 Lowers Receiver Repair Block

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Present Arms is the best AR-15 Lower Receiver Repair Block on the market. It is precision CNC machined from a solid block of 6061 T6 aircraft-grade aluminum. This ensures that it will withstand repeated use and remain accurate while doing so. It also has a Mil-Spec Type III hard coat anodized finish for superior durability. The Present Arms – AR-15 Lower Receiver Repair Block comes with all the necessary set screws and an installation tool. It is also backed by a lifetime warranty.

Pros:
  • Provides a way to work on AR-15 lower receivers without the need for clamps.

Cons:
  • Requires solvent and time to clean up after use.

#23 Brownells – AR-15 601 Lower Receivers

Brownells - AR-15 601 Lower Receivers

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Manufactured to MIL-SPEC standards in a hard coat anodized aluminum for many years of protection built into the design. Aluminum lowers are strong, durable, and lightweight with a price tag that’s easy on the wallet.

The AR-15 lower receiver is the foundation of the rifle. It’s what everything else attaches to – the stock, the upper receiver, and all the other components. That’s why it’s important to choose a high-quality lower receiver that will stand up to the abuse of heavy use.

Pros:
  • Made with high-quality 7075 T6 aluminum

  • Hard coat anodized finish

  • Compatible with a range of AR 15 parts

Cons:
  • None found as of yet

#24 Brownells – AR-15 M16 A1 Lower Receiver

Brownells - AR-15 M16 A1 Lower Receiver

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The Brownells AR-15 M16 A1 Lower Receiver is a high-quality, Mil-Spec part that can be used to build a custom AR-15 rifle. It is made from forged 7075 T6 aluminum and features a Type III hard coat anodized finish for durability. The receiver has been machined to mil-spec dimensions and features a rear takedown lug pocket, an integral trigger guard, and M4 feed ramps. This lower receiver is compatible with most standard AR-15 upper receivers and can be used with mil-spec or commercial components.

Pros:
  • Quality AR lower receiver parts

  • Unlimited color options

  • Quick shipping times to most locations in the US and Canada.

Cons:
  • Expensive

#25 Cmmg – AR-15 Mkg Guard 9mm Billet Lower Stripped Receiver

Cmmg - AR-15 Mkg Guard 9mm Billet Lower Stripped Receiver

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If you’re looking for the best AR 15 lower receiver on the market, you can’t go wrong with Cmmg. Their AR-15 Mkg Guard 9mm Billet Lower Receiver Stripped is made from top-quality billet aluminum and is perfect for pistol builds. It’s machined to mil-spec dimensions and has a Type III hard coat anodized finish. The mag well is compatible with Colt-style 9mm magazines, and the receiver comes with a bolt catch and trigger guard. Installation is easy, and Cmmg provides detailed instructions. This lower receiver is a great option for anyone looking to build a top-quality AR 15 pistol.

Pros:
  • Billet construction

  • Ambidextrous bolt catch

  • Integrated oversized trigger guard

  • Threaded bolt catch pin

  • Concentric magazine release button

Cons:
  • Some say that it’s not as “beefy” as other lowers

  • Does not come with a magazine

#26 Ke Arms – AR-15 KP-15 Stripped Lower Receivers Polymer

Ke Arms - AR-15 KP-15 Stripped Lower Receivers Polymer

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The AR-15 KP-15 stripped lower receiver is a durable, lightweight polymer that can be used to assemble a variety of AR-15s. It is the perfect base for your next custom build. Weighing in at just 6 ounces and featuring an ergonomic textured grip, this material will enhance comfort and accuracy. The AR-15 KP-15 stripped lower receiver is also easier to clean and maintain than other lower receivers on the market.

If you are looking for a high-quality, lightweight, and affordable lower receiver, the AR-15 KP-15 is the perfect choice.

Pros:
  • The polymer is of great value and does not scratch up easily like metal.

  • There are no pins or screws to hold onto the lower receiver, it’s all just one piece. This makes the assembling process easier and less time-consuming.

Cons:
  • The Ke Arms – AR-15 KP-15 Stripped Lower Receivers Polymer is not compatible with all AR-15 uppers.

  • The trigger guard is not as big as other models, so it might not accommodate everyone’s finger size.

#27 Ke Arms – AR-15 KP-15 Complete Lowers Receivers Mil-Spec Polymer

Ke Arms - AR-15 KP-15 Complete Lowers Receivers Mil-Spec Polymer

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These receivers are made from mil-spec polymer, making them resistant to wear and tear. They also feature a flared magazine well for faster reloading, as well as an integrated trigger guard for added safety. Best of all, they’re available in a variety of colors to match your style.

When it comes to building your AR-15, KE Arms has the perfect lower receiver for you. Their receivers are made from mil-spec polymer, making them resistant to wear and tear.

Pros:
  • Lightweight

  • Durable

  • Affordable

  • Easy to Assemble

Cons:
  • None found

#28 Ke Arms – AR-15 KP-15 Complete Ambidextrous Polymer Lower Receivers

Ke Arms - AR-15 KP-15 Complete Ambidextrous Polymer Lower Receivers

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The KP-15 is an ambidextrous, polymer AR 15 lower receiver that’s lightweight and easy to assemble yet tough enough for any application. With multiple methods of installation and buffers to prevent marks on both sides of the receiver, the KP-15 is perfect for right or left-handed shooters. The integrated flared magazine well aids in fast and easy magazine changes, while the lower parts kit ensures smooth and reliable operation.

Pros:
  • Ambidextrous

  • Polymer

  • Lightweight

  • Affordable

  • Easy to assemble

Cons:
  • Limited color choices

#29 17 Design And Manufacturing – 17DM-180 AR-15 Lower Receiver

17 Design And Manufacturing - 17DM-180 AR-15 Lower Receiver

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Machined from a single block of 7075 T6 Aircraft Grade Aluminum, this lower is hard coat anodized to provide a lifetime of service. It features a matte black finish that will match any build and include markings that are compliant with ATF regulations. The 17DM-180 is compatible with all AR 15 upper receivers and is ready to accept any standard mil-spec components.

Pros:
  • Lightweight

  • Durable

  • Easy to assemble

Cons:
  • Some people have had issues with the quality of the machining

  • Not compatible with all AR 15 models

#30 Brownells – 180m AR-15 Lowers Receiver

Brownells - 180m AR-15 Lowers Receiver

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If you’re looking for a lower receiver that’s built to last, then you need the Brownells 180m Lower Receiver. Made from a solid block of 7075-T6 aluminum, this lower receiver is precision machined and features a hard coat anodized finish for superior durability. It’s also compatible with all standard AR 15 parts and accessories, making it the perfect choice for your next build!

Pros:
  • Durable

  • Well machined

  • Functional

  • Affordable

Cons:
  • None found

#31 Brownells – 7 Stripped AR-15 Lowers Receiver

Brownells - 7 Stripped AR-15 Lowers Receiver

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Brownells – 7 Stripped Lower Receiver engineered specifically for AR-15s, these lowers are machined from 7075 T6 aluminum and hard coat anodized to mil-spec standards. They include a raised rib around the magazine well and an integral trigger guard for enhanced durability and improved ergonomics. Additionally, they feature a beveled magazine well for faster reloads and an enlarged ejection port for greater reliability. Whether you’re building your first AR-15 or adding to your collection, Brownells – 7 Stripped Lower Receiver AR 15 Lowers are a perfect choice.

Pros:
  • High quality and durable

  • The company has had a solid reputation for providing high-quality products for many years.

  • Several customers were happy with the customer service and turnaround time on orders.

Cons:
  • None

FAQ

Can you mix and match AR-15 uppers and lowers?

You can mix and match AR-15 uppers and lowers as long as they are of the same caliber. For example, you could put a 5.56 upper on a .223 lower or vice versa.

Are all AR-15 lower parts the same?

There are many different types of AR-15 lowers on the market, and not all of them are the same. Some are made from high-quality materials, while others are not. It’s important to do your research before you buy an AR-15 lower to make sure you get one that’s made from quality materials and will last for years to come.

What rounds can be used with an AR-15 lower?

The AR-15 lower can use any rounds available in the market. The most common type of rounds in the market is the .223 and 5.56 rounds.

What’s in an AR-15 lower parts kit?

Included in an AR-15 lower parts kit are the following: pistol grip, trigger assembly, hammer, disconnector, selector switch, bolt catch, magazine catch button, buffer retainer, and spring.

Are AR-15 and AR 10 LPK the same?

There is some confusion about the differences between AR-15 and AR 10 LPK. AR-15 LPK is for AR-15 rifles, while AR 10 LPK is for AR 10 rifles. The parts are not interchangeable, so it’s important to make sure you are buying the correct one.

Conclusion

The AR 15 Lower is the foundation of your rifle. It is important to choose a quality lower parts kit to ensure the best shooting experience. We have provided reviews of some of the top-rated AR 15 Lowers on the market to help you make an informed decision. Thanks for reading!

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AmmoFire Team

AmmoFire - Ammo Review Team

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