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A1 Brn AR-15/M16A1 Retro Carbine 5.56mm 16" Barrel Assembly

A1 Brn AR-15/M16A1 Retro Carbine 5.56mm 16" Barrel Assembly

Brownells · Barrels

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$249.99at Brownells

Out of stock checked Oct 1, 2026

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Brownells $249.99checked Oct 1, 2026 Out of stock Buy at Brownells

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Price history

Dashed line = out of stock. Tracking since Sep 28, 2026.

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Since Sep 28, 2026.

About this part

The A1 Brn AR-15/M16A1 Retro Carbine 5.56mm 16" Barrel Assembly is a 16" 5.56 / .223 barrel from Brownells with a carbine gas system. One store lists it, Brownells at $249.99.

Fits and works with

Caliber
5.56 / .223 · Shop matching ammo
Bolt
Standard AR-15 (5.56 / 300 BLK / .350 Legend) · Bolt carrier groups
Gas system
Carbine · Handguards
Barrel length
16" · Handguards

Specifications

Manufacturer
Brownells
Platform
AR-15
Caliber
5.56 mm NATO
Gas system
Carbine
Barrel length
16"

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 1-7" rifling and finished in black phosphate with an overall length of 16". Muzzle threads are A 1/2"-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! Mfg: Brownells

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$249.99 at Brownells
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