The ArmaLite AR-10 (B) Lower Parts Kit is a complete, factory-genuine replacement and build kit designed specifically for the AR-10 B-Series lower receiver platform. This comprehensive kit includes all the essential small parts needed to complete or restore an AR-10 B-Series lower, including the safety selector, magazine catch assembly, trigger guard assembly, bolt stop components, buffer detent and spring, pivot and takedown pins, and all necessary detents and springs. Packaged in ArmaLite's signature OD green precision box, this kit is ideal for builders, armorers, and owners looking to maintain or assemble their AR-10 B-Series rifle with confidence in OEM quality and fitment. Please note this kit does not include a trigger group or pistol grip, making it a perfect complement to your preferred aftermarket or drop-in trigger system. Compatible exclusively with the AR-10 B-Series platform — not intended for use with AR-10 A-Series or standard AR-15 lower receivers. Armalite AR 10 (B) Lower Parts Kit - No Trigger 10LRPK