The Geissele Automatics Ultra Duty Lower Parts Kit, Desert Dirt, Ambidextrous Safety is a testament to precision engineering and superior craftsmanship. Designed to enhance the functionality and feel of your AR platform, this kit includes components …

Geissele Automatics presents the Standard Lower Parts Kit with Grip, designed for AR-15 enthusiasts seeking quality and reliability. This kit includes all necessary internal components to complete or rebuild your lower receiver, featuring a mil-spec.…

The Geissele Automatics AR-15 Super Duty Lower Parts Kit DDC is engineered for superior performance and reliability. Designed with high-quality stainless steel components, this kit ensures durability and longevity even under extreme conditions. It...

CMMG's Enhanced Field Repair Kit for the AR-15 is a testament to precision engineering and reliability. This kit includes essential components such as trigger springs, firing pin, and extractor springs, all crafted to Mil-Spec standards, ensuring...

Aero Precision's AR15 Lower Parts Kit w/ MOE SL - FDE is engineered for precision and reliability. Featuring a Magpul MOE SL grip, this kit includes all necessary components for assembling your AR15 lower receiver, ensuring ease of use and superior..…

The Aero Precision APRH100945C Fire Control Group Kit is a meticulously engineered component designed for AR-15 and AR-10 platforms. This kit ensures reliable performance with its mil-spec standard parts, including a curved trigger, hammer, disconnec…

Aero Precision's M4E1 MOE Lower Parts Kit Minus FCG is engineered for AR builders seeking quality and versatility. This kit, featuring a Magpul MOE Grip, is designed to fit the M4E1 Lower Receiver seamlessly, offering ease of assembly and reliable...

Aero Precision presents the AERO M5 AR10 Lower Parts Kit MOE BLK, a testament to superior engineering and design. This kit is crafted for seamless assembly of your M5 Lower Receiver, featuring a Magpul MOE Grip for enhanced handling. The anodized fin…

Introducing the CMMG ZEROED LPK MK3, a meticulously engineered lower parts kit designed for the discerning firearm enthusiast. This kit stands out with its ambidextrous safety selector and color-coded assembly packets, ensuring ease of use and assemb…

Aero Precision presents the AERO M5 AR10 LWR PARTS KIT MOE FDE, a meticulously engineered lower parts kit designed for AR10 platforms. Featuring a durable anodized finish in Flat Dark Earth, this kit includes a Magpul MOE Grip and essential component…

Introducing the CMMG AR-15 Lower Receiver Parts Kit Gun Builder Kit, a testament to precision engineering and quality design. This kit includes essential components like the bolt catch, take down pins, and safety selector, ensuring seamless assembly …

Aero Precision presents the M5 Lower Parts Kit with MOE Grip, designed for AR-308 builds. This kit is crafted with precision engineering, ensuring seamless assembly and reliable performance. The inclusion of the Magpul MOE Grip enhances ergonomics an…