Customize your weapon and build your own lower receiver parts kit by a selecting lower receiver part from our store. We have lower receiver parts available for the AR pistol, AR-15, AR-308, HK MR, and Tavor. To make the process of finding parts efficient and easier, use our filter system. You can use our filter system to find a part from different manufacturers. You can select more than one lower receiver parts. We have a large selection of parts available in our store to list them all. To give you an idea on the type of lower receiver part you can find here, you can order a buffer, castle nut, catches/releases, detent, end plate, disconnector, fire control, grip part, and several other lower receiver parts. You can also narrow down your selection by choosing between a single stage or two stage trigger, curved or flat trigger style, and drop in or standard install trigger setup. You can even select from a variety of different colors. Since quality is one of the most important aspects you look for in a part for your weapon, we bring you lower receiver parts from reputable brands known for manufacturing durable parts for a variety of different weapons.