NEW! BCA AR-9 complete 9MM bufferless pistol has a 5" M4 barrel with a parkerized finish, and features a 1:10 twist rate, with a blow back gas system. It includes a 4" MLOK rail, an M4 flat-top billet upper receiver, a BCA bolt carrier group, a flash hider, and Gen 2 (patent pending) Side Charging handle, and a BCA mil-spec AR-9 Bufferless Billet lower. Compatible with Glock style magazines. Retail price $619.95 BCA sale price $439.95.