Brn AR-15 Modular Gas Block Rail

Name: Brn AR-15 Modular Gas Block Rail
Brand: Brownells
Availability: InStock

Brownells · Gas System

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Best price

$13.59at Brownells

In stock Sale checked Oct 1, 2026

Buy at Brownells

Where to buy

Store	Price	Availability	Buy	Add to build
Brownells	$13.59Salechecked Oct 1, 2026	In stock	Buy at Brownells

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Price history

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Lowest in-stock price in the last 30 days: $13.59 at Brownells. Dashed line = out of stock. Tracking since Sep 27, 2026.

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Store	Latest	Lowest	Highest
Brownells	$13.59	$13.59	$13.59

Since Sep 27, 2026.

About this part

The Brn AR-15 Modular Gas Block Rail is a gas system part from Brownells. One store lists it, Brownells at $13.59. The lowest in-stock price in the last 30 days was $13.59 at Brownells.

Specifications

Manufacturer: Brownells
Material: Aluminum

From the manufacturer

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