This AR-STONER EV2 Upper Receiver Assembly in 9mm Luger is being offered at an exceptional price! This upper features an enlarged ejection port engineered for improved reliability and trouble free ejection. The upper will attach to virtually any standard AR-15 lower receiver, and with the addition of a 9mm magazine adapter block you can be range ready in just a few minutes. The AR-STONER AR-15 EV2 Billet Upper Receiver Assembly in 9mm Luger comes with charging handle, shell deflector, and M-LOK handguard. This EV2 Billet upper does not include a front or rear sight, making it a great platform for a red dot or scope (sold separately). Bolt carrier group is not included.FeaturesBolt Carrier Group not included!Oversized Ejection Port for Reliable OperationUniversal design accepts Glock or Colt 9mm MagazinesImproved Feed Ramp on Barrel16" 1-10 Twist BarrelChambered in 9mm Luger