AR-STONER AR-15 EV2 Billet Pistol Upper Receiver Assembly without BCG 9mm Luger 10.5″ Barrel with 10″ M-LOK Handguard

Bolt Carrier Group not included
Oversized Ejection Port for Reliable Operation
Universal design accepts Glock or Colt 9mm Magazines
Improved Feed Ramp on Barrel
10.5″ 1-10 Twist Barrel
Chambered in 9mm Luger
10″ M-LOK Handguard