This BCA AR-15 complete 9MM upper has a 16" M4 Contour Barrel with a black nitride finish, and features a 1:10 twist rate, with a blow back gas system. It includes a 15" MLOK rail, a branded M4 flat-top billet upper receiver, a BCA bolt carrier group, a flash hider, and a gen 2 (patent pending) right-side charging handle. This features the new handguard. This 9MM upper is compatible with any mil-spec AR-9 lower.
ALL OF BCA 9MM UPPERS ARE DESIGNED FOR USE WITH GLOCK STYLE MAGAZINES.
It is the responsibility of the consumer to ensure all state, local, federal, and ITAR regulations are followed.
* Note – We strive to provide the most accurate photographs of our product. Variations may occur in the skeletonized section of the handguard/flash hider you receive.
WARNING: This product can expose you to chemicals, such as lead and other petroleum products, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to the California P65 Warning site.