Is there a real difference between the parts kit outside of the trigger and grip?
No. There are significant differences in quality and performance among lower parts kits on the market.
When looking for a quality lower parts kit, it is important to consider the materials used in construction, the tolerances of components, and the level of customer service and support offered by the manufacturer. The best lower parts kits will be made from high-quality materials, feature tight tolerances, and come with comprehensive customer support.
Lower parts kits are not all created equal. When shopping for a lower parts kit, it is important to consider the materials used in construction, the tolerances of components, and the level of customer service and support offered by the manufacturer.