This AR-STONER EV2 Pistol Upper Receiver Assembly in 9mm Luger is being offered at an exceptional price! This AR-STONER upper features and a medium profile barrel. The upper also 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 complete with charging handle 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).FeaturesBolt Carrier Group IncludedOversized Ejection Port for Reliable OperationUniversal design accepts Glock or Colt 9mm MagazinesImproved Feed Ramp on Barrel4.5" 1-10 Twist BarrelChambered in 9mm Luger4" M-LOK Handguard