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FN Spring Into Savings – Up to $150 instant rebate + select models on sale – SHOP NOW

FN Spring Into Savings – Up to $150 instant rebate + select models on sale – SHOP NOW

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DOUBLE STAR AR-15/M16 PICATINNY RAIL GAS BLOCK

Gas Block Diameter
Brownells #
MFR #
UPC
$28.99
Coupon Code
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Specifications

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Restriction

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Description

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.


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.


Available options: 
100004536 100004537
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