Brn AR-15 Modular Gas Block Rail
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specifications

Manufacturer:

Brownells

    Brn AR-15 Modular Gas Block Rail

    Caliber Manufacturer Color Weight Merchant Price Merchant URL
    None Brownells None None None $13.59 Brownells Add

    Prices last checked September 2026. Prices and availability change often, so confirm on the retailer's site.

    Easy-to-install gas block features an integral fixed rail and a modular design that allows fast installation and removal of up to three, additional Picatinny rails for mounting lasers, lights, night vision optics, back-up sights, and a variety of other tactical accessories. Side and bottom rails attach easily with two screws, so you can configure the unit for each mission's requirements. Precision-machined from rugged, 6061 billet aluminum for superior strength without weighing down your weapon. Mounts securely to barrel with three, hardened steel setscrews. Mfg: Brownells SPECS: Aluminum, matte black, hardcoat anodized finish. Fits standard .750" (19mm) dia. barrels. Gas Block - 1-7/8" (4.8cm) long, 1" (2.5cm) wide, 1-7/16" (3.6cm) high. Gas Block Kit - Includes modular gas block with three add-on rails. 1-7/8" long, 2

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