Harrington & Richardson 12.7" "Airforce Rebuild" Slick Side Complete Upper, Gray 1/12 Twist
|Brand||Harrington & Richardson|
Caliber: 5.56 NATO
Barrel Length: 12.7”
Barrel Profile: Pencil
Barrel Steel: 4150 Chrome Moly Vanadium
Barrel Finish: Parkerized
Chrome Lining: Yes
Muzzle Thread Pattern: 1/2" x 28
Twist Rate: 1 in 12"
Barrel Extension: Rifle
Gas System Length: Carbine
Diameter at Gas Block: .625"
Gas Block Type: Rifle Height Front Sight Base
Muzzle Device: 3 Prong A1 Flash Hider
Receiver Material: Forged 7075-T6
Upper Receiver Type: Gray Anodized Slick Side w/o feed ramps
Handguard Type: Carbine, 6 hole, Premium, with heat shields
Bolt Material: Carpenter 158 Steel, Chrome Finish
Bolt Carrier Profile: Full Auto, Chrome Finish
Weight (as configured): 3lbs
The US Air Force are masters of efficiency and logistics. Utilizing the best parts available these USAF upper “clones” are very handy and are a perfect upper for your next Pistol or SBR build.
These Gray Slick Side 12.7” Uppers feature a 1/12 twist barrel, a Front sight base with Bayonet Lug, The traditional 3 prong flash hider, and an A2 Dust cover. They also ship with a Chrome, Mil Spec, Bolt Carrier Group with no forward assist serrations. All installed by our traditionally trained armorer’s in the USA.