Brownells 75th Anniversary - A Shooting Heritage

Tough Steel Construction

Steel gas block with integral Picatinny rail has extra height that lets you mount a flip up or co-witness front sight on the same plane as the receiver rail of your flattop AR-15/M16. Add a Picatinny rail handguard to have a continuous rail extending from the receiver to the gas block for superb accessory mounting flexibility. Precision machined from tough 4140 billet steel to stand up to tens of thousands of rounds without eroding. Fits .750" O.D. barrels, and locks securely to barrel with three setscrews.

AR-15, Issue:11, Page:015
Big Book Catalog, Issue:72, Page:021
SPECS: 4140 steel, dark gray Parkerized finish. 1-13⁄16" (4.6cm) long, 1-13⁄16" high. Fits .750” O.D. barrels. 6.2 oz. (175g) weight.
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Inside Diameter: .750

Material: Steel

Style: Picatinny