Brownells Brownells Brownells 75th Anniversary - A Shooting Heritage

Ensures Reliable Gas Flow; Models For Three Popular Barrel Diameters

Compact gas block clamps securely to barrel with a unique three-point attachment system to provide a solid accessory mounting platform and ensure proper gas system alignment for reliable cycling. Precision machined from high-grade 6061 T6 aluminum for an ideal combination of strength and low weight, with an integral MIL-STD 1913 Picatinny rail on the topside. Anchors to the barrel with a pair of hex-head setscrews on the underside, plus a third screw on top to ensure a superior gas seal and resist unwanted movement that can impair gas system function. Streamlined design has clean, good-looking, angular lines with all exposed edges radiused to eliminate sharpness. Mil-spec hardcoat anodized for superior surface strength and wear resistance with an even, matte black finish that matches most manganese phosphate Parkerized barrel finishes. Models available to fit three common barrel outside diameters: hard-to-find .625" for A1 barrels, .750" for H-Bar and similar-style barrels, and .937" for bull barrels.


AR-15, Issue:09, Page:013
Big Book Catalog, Issue:67, Page:014
New Product Supplement, Issue:621, Page:019

SPECS: 6061 T6 aluminum, hardcoat anodized, matte black. All models 1.875” (cm) long. Rail heights are measured from top of barrel to top of rail. .625” - 1” (2.5cm) wide, 1.5” (3.8cm) overall height, .600” (1.5cm) rail height. 3 oz. (84g) weight. .750” - 1” wide, 1.5” overall height, .545” (13.8cm) rail height. 2.6 oz. (73g) weight. .937” – 1.25” (3.2cm) wide, 1.625” (4.1cm) overall height, .445” (11.3cm) rail height. 2.5 oz. (71g) weight.

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3 Item(s)

$29.99

In Stock

Inside Diameter: .625

Material: Aluminum

Style: Picatinny

$31.99

In Stock

Inside Diameter: .750

Material: Aluminum

Style: Picatinny

$29.99

In Stock

Inside Diameter: .937

Material: Aluminum

Style: Picatinny