Stern Defense .45 ACP 16.1″ AR-15 Melonite Barrel

Upgrade your AR-15 with the Stern Defense .45 ACP 16.1" Barrel, expertly crafted from 4150 chrome-moly steel and featuring a durable Melonite coating. This precision-engineered barrel boasts a 1:16 twist rate and threaded .578-28, ensuring optimal performance and longevity. Proudly made in the USA, it's designed for use with .45 ACP uppers and requires an 11-ounce buffer or heavier when using a carbine spring. Elevate your firearm's capabilities with this reliable barrel.