Build your next AR platform with this comprehensive TacFire AR Build Kit for 9mm pistols. This all-in-one kit features a durable 4.5" USA-made barrel a precision 9mm bolt carrier group mil-spec upper receiver and a slim 4" free-float MLOK handguard for lightweight durability. Complete with a USA-made lower parts kit mil-spec pistol buffer tube with foam cover heavy buffer and steel castle nut this kit ensures compatibility with standard components. Designed for semi-auto action and right-handed users it also includes a forward assist charging handle dust cover and a 1/2"x36 thread flash forwarder making it an ideal choice for your custom build. Reliable construction meets functional performance in this AR platform kit.