AR-15 A1 16 Carbine Barrel Assembly 1-7 FSB

Brownells Military Barrels · Barrels

Best price

$268.99at Brownells

checked Sep 30, 2026

Buy at Brownells

Where to buy

Store	Price	Availability	Buy	Add to build
Brownells	$268.99checked Sep 30, 2026	Check store	Buy at Brownells

Prices and availability change often, so confirm on the store's site before you buy. We may earn a commission from these links.

About this part

The AR-15 A1 16 Carbine Barrel Assembly 1-7 FSB is an AR-15 barrel from Brownells Military Barrels with a carbine gas system. One store lists it, Brownells at $268.99.

Fits and works with

Gas system: Carbine · Handguards

Specifications

Manufacturer: Brownells Military Barrels
Platform: AR-15

From the manufacturer

Introducing the Brownell’s Retro A1 16" carbine length barrel assembly. Chambered in 5.56x45mm NATO, the chrome lined barrel is available with your choice of 1-7" or 1-12" rifling and finished in black phosphate with an overall length of 16”. Muzzle threads are ½"-28, and in back there's a standard barrel extension.

Each Retro A1 16" carbine barrel assembly includes a front-sight base, .625", no F marks, complete with sight post, detent, spring, sling swivel, rivet, flat Delta ring, barrel nut, weld spring, snap ring, and round handguard cap installed. Machined from 4150 chrome moly steel. The barrel you need for your next Retro Rifle build!