Out of stock
Harrington & Richardson 12.7" "Airforce Rebuild" Slick Side Complete Upper, Gray 1/12 Twist
Out of stock

Harrington & Richardson 12.7" "Airforce Rebuild" Slick Side Complete Upper, Gray 1/12 Twist

SKU HR51655141611
Brand Harrington & Richardson
Customers must read Compliance Information before purchasing.

Product Details


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.


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All NFA Rules Apply

These items are controlled by the U.S. Government and authorized for export only to the country of ultimate destination for use by the ultimate consignee or end-user(s) herein identified. They may not be resold, transferred, or otherwise disposed of, to any other country or to any person other than the authorized ultimate consignee or end-user(s), either in their original form or after being incorporated into other items, without first obtaining approval from the U.S. government or as otherwise authorized by U.S. law and regulations.