Knights Armament E3 Mod 2 Upper .300 AAC Blackout 9.5 Barrel

E3 Mod 2 Upper Features Knight s SR-30 E3 MOD 2 takes advantage of the .300 BLK offering a 9.5 barrel for a significantly more transportable and maneuverable firearm. The QDC compatible Flash Hider will mount any of the KAC 7.62mm QDC suppressors. The SR-30 has 99% parts compatibility with the SR-15 requiring only a dedicated barrel and muzzle device. Seamlessly transition from subsonic ammunition to supersonic with nothing more than a change of the magazine. E3 Mod 2 Upper Specifications Caliber: 300 Blackout Model: E3 Series: Mod 2 Barrel Length Range: 18 to 18.99 Sights: Flip Up Muzzle: Flash Hider Firearm Fit: SR-30 Handguard Finish: 9 to 9.99 OAL: 18.50 Receiver Finish: Black Twist: 1:7 Weight: 3.80 lbs Barrel Description: Chrome-Lined Free-Floating Hammer Forged Barrel Finish: Black Barrel Length: 9.50