How to assemble lower parts kit?

Before beginning, make sure you have all the necessary tools and parts. You will need:

• a lower receiver
• a lower parts kit (which includes the trigger, hammer, disconnector, springs, etc.)
• an upper receiver
• a stock or buffer tube assembly
• tools (screwdriver, Allen wrench set, etc.)

1) Start by attaching the magazine catch to the lower receiver. Install it from the right side of the receiver and use a small screwdriver to tighten the set screw. Make sure not to over-tighten it.

2) Next, move on to the bolt stop assembly. Install this from the left side of the receiver using a small screwdriver to tighten the set screw. Again, make sure not to over-tighten.

3) The trigger guard can now be installed. There are typically two ways to do this – with the guard in the “down” position or “up” position. For ease of installation, we recommend doing it with the guard in the “down” position. Once the guard is in place, tighten the set screws.

4) The trigger can now be installed into the lower receiver. Start by inserting the front of the trigger into the receiver, then push down on the back until it snaps into place.

5) The hammer can now be installed. It will fit into the receiver in only one orientation, so make sure it is facing the correct way before inserting it. Once it is in place, use a small screwdriver to tighten the set screw.

6) The disconnector can now be installed. Start by inserting the front of the disconnector into the receiver, then push down on the back until it snaps into place.

7) The selector switch can now be installed. There are usually two ways to do this – with the switch in the “safe” position or “fire” position. For ease of installation, we recommend doing it with the switch in the “safe” position. Once the switch is in place, use a small screwdriver to tighten the set screw.

8) The pistol grip can now be installed. Start by inserting the front of the grip into the receiver, then push down on the back until it snaps into place.

9) The buffer tube assembly can now be installed. First, insert the back end of the tube into the receiver. There is a small hole in the bottom of the receiver that the tube will fit into. Once it is in place, tighten the set screw. Then, screw on the end cap until it is tight.

10) The stock can now be installed. First, insert the back end of the stock into the buffer tube assembly. There is a small hole in the bottom of the tube that the stock will fit into. Once it is in place, tighten the set screw. Then, pull the stock until it is tight against the back of the receiver.

11) The last step is to install the sights or scope. If you are using iron sights, they will typically clamp onto the top of the receiver. If you are using a scope, there will be a mount that attaches to the receiver. Once the sight or scope is in place, tighten all screws.

Your lower receiver is now complete!

There are a few things to consider when assembling a lower parts kit for your AR-15 rifle. First, you’ll need to choose the right LPK for your specific needs. There are several different types of LPKs on the market, so it’s important to do your research and select the one that’s best suited for your build. Secondly, you’ll need to gather all the required tools and materials before beginning the assembly process. Once you have everything you need, assembly is relatively simple.

To start, ensure that your work area is clean and clutter-free. This will help prevent lost or misassembled parts during the process. Lay out all of the components from your LPK in front of you, and refer to your rifle’s assembly manual for guidance. Begin by attaching the trigger guard to the lower receiver. Next, insert the trigger assembly into the lower receiver and secure it in place. Then, install the magazine release button and catch.

After that, it’s time to install the safety selector switch. This is a critical component, so be sure to follow the instructions in your assembly manual carefully. Once the safety selector is in place, you can install the bolt catch and release. Finally, attach the pistol grip to the lower receiver.

With the basic components installed, your AR-15 lower receiver is now ready for final assembly. Depending on the specific parts kit you’re using, there may be a few additional steps required to complete the build. However, the above steps will give you a solid foundation on which to build your rifle.

Here is a short video on assembling the AR platform lower receiver without any special tools:

Thanks for reading!

This has been a quick overview of gun lower parts and their installation. If you have any further questions, please consult your firearm’s assembly manual or reach out to a qualified gunsmith for assistance.

As always, be sure to follow all local laws and regulations when working with firearms. Stay safe and happy building!

Building a lower parts kit is a great way to get all the necessary components for your AR-15Lower in one place. This can be especially helpful if you are piecing together a custom rifle or trying to upgrade existing components. While there are many different ways to go about this, we’ll walk you through the basic steps of assembling a lower parts kit.

The first thing you’ll need to do is gather all the necessary tools and materials. This includes an AR-15lower receiver, an M16 fire control group, a trigger guard, an LPK(lower parts kit), and detents (for the takedown pins). You will also need a set of roll pins, a punch tool, screws, and an Allen wrench.

Once you have all your materials, the next step is to install the fire control group. This is a relatively simple process, but if you’ve never done it before there are plenty of online tutorials and videos that can walk you through the steps. In general, you’ll just need to remove the old fire control group from the lower receiver (if there is one), and then install the new one in its place. Make sure that everything is properly aligned and secured before moving on to the next step.

Installing the trigger guard is a bit more complicated, but still relatively simple. First, you’ll need to remove the old trigger guard (if there is one) by punching out the roll pins that secure it in place. Once the old trigger guard is removed, you can install the new one by following the same process in reverse. Be sure to align everything properly before moving on.

The last step is to install the lower parts kit. This includes all the small parts and springs that go into the lower receiver and is generally the most difficult part of the process. If you’re not familiar with gun assembly, it might be a good idea to watch a few videos or consult with someone who is before attempting this step. Once everything is installed, you should have a fully functional AR-15 lower receiver!

Putting together a lower parts kit is not as difficult as one may think. Although there are several small parts, the process is relatively simple and can be completed with just a few tools.

Here’s a basic rundown of what you’ll need to do:

1. Remove the old parts from your AR-15. This includes the old trigger, hammer, and magazine release. To do this, you’ll need to remove the pins that hold these parts in place.
2. Install the new trigger. Insert the Trigger Pin until it is firmly in place and then twist it 1/8th turn so that the locking detent is engaged.
3. Install the new hammer. Line up a hole in the trigger with a hole in the hammer then insert and lightly tap the Hammer Pin until it is flush with the other side.
4. Install the new magazine release. Insert the Magazine Release Button into the housing from the right side until it clicks into place.
5. Replace the old safety selector with the new one. To do this, first, remove the detent spring and detent from the old safety selector. Then, thread the new safety selector into place and replace the detent and spring.

That’s it! With just a few simple steps, you can easily upgrade the parts on your AR-15.

The best way to assemble a lower parts kit is to follow the manufacturer’s instructions. If you’re not sure how to do that, or if you don’t have the instructions, you can also find helpful videos online that will show you how to assemble the lower parts kit step-by-step. Once you have all of the parts in place, just make sure that everything is tight and secure before moving on to the next step.