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Double Star Ar-15/M16 Accessory Rail Gas Blocks

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Buy Double Star Ar-15/M16 Accessory Rail Gas Blocks

We found a great deal on the Double Star Ar-15/M16 Accessory Rail Gas Blocks for only $61.99 at Brownells.

Lightweight aluminum gas blocks with integral MIL-STD 1913 Picatinny rails expand your AR’s accessory mounting options without adding excess weight or bulk. Lets you mount a backup iron sight, weaponlight, laser sight, folding bipod, vertical grip, and other tactical accessories. Both models fit barrels with .750″ O.D. at gas port. 2-Rail – Two-piece, clamp-on design with top and bottom rails doesn’t require removal of flash hider to install or remove. Clamps securely in place with four hex-head cap screws for a rock-solid installation that won’t shift under recoil. Circular cutouts in the sides reduce weight without compromising strength. 4-Rail – Innovative, slim-line design adds side rails, yet is only only .05″ wider than the 2-Rail model and actually weighs less. Solid, one-piece construction with cutouts to eliminate unnecessary metal. Slides over barrel and anchors in place with three recessed hex-head screws for a tight friction fit. Installation requires removal and re-installation of muzzle attachment and front sight housing. SPECS: Aluminum, hardcoat anodized. Fits barrels with .750” O.D. 2-Rail – Matte black finish. 17⁄8” (4.8cm) long, 1.2” (3cm) wide, 1 ” (4.5cm) high. 2.6 oz. (74g) weight. 4-Rail – Satin black PTFE-impregnated finish. 17⁄8” long, 1 ” (3.2cm) wide, 1 ” high. 2.2 oz. (63g) weight.

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  1. Oren
    February 4th, 2010 at 12:40 | #1
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