FN America .223 Rem/5.56 16" Carbine Barrel, Chrome Lined Black Phosphate - 36421
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specifications

Barrel Length:

16"

FN America .223 Rem/5.56 16" Carbine Barrel, Chrome Lined Black Phosphate - 36421

Where to buy

Store Price Availability
Palmetto State Armory $298.99
not checked recently 		Check store Buy at Palmetto State Armory Add to build
Brownells $329.99
checked Sep 27, 2026 		Out of stock Buy at Brownells Add to build

Prices and availability change often, so confirm on the store's site before you buy.

Description


FN AR-15 Hammer-Forged Barrels have a chrome-lined chamber and bore to help resist corrosion and provide heat erosion resistance. There barrel is forged from Chrome Moly Vanadium steel and built for the .750" diameter gas block with 1/2x28" threaded muzzle. It has an M4-style feed ramp and barrel extension for consistent and reliable feeding. This barrel is chambered in 5.56 NATO with a 1:7" twist with a manganese phosphate finish.

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