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The Brownells Premium Lightweight Carbine Barrels are designed for durable use and have classic hard chrome bore and chamber. You can choose from various lengths to fit your carbine build. These barrels are made by Ballistic Advantage according to Brownell's specifications and quality standards to provide you with high-quality barrels. The exterior is coated with a standard phosphate finish, making it matte and oil-friendly. The bore and chamber, which are the most vital part of the barrel, are hard chromed to make them resistant to corrosion, easy to clean, and prevent wear and tear over time. These button rifled barrels are made from 4150 Chrome Moly Vanadium steel, and feature a 223 Wylde chamber that can accommodate 223 Remington and 5.56x45mm NATO ammunition equally well. The 1-8 twist can handle full metal jacket 55gr loads, and also heavier, premium 77gr bullets. The lightweight barrels have a .625 gas block journal, which matches the slim profile and prevents the carbine from becoming too front heavy. The 1/2-28 muzzle threads enable you to use common muzzle devices, while the M4 feedramps on the opposite end would match with M4 feedramps on your upper receiver.

You can trust the Brownells Lightweight Carbine Barrels, which are backed by our lifetime guarantee for original purchasers!