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The Stern Defense .45 ACP barrel is engineered for AR-15 platforms and provides robust performance for pistol-caliber builds. Manufactured in the USA, it features high-grade materials and precise specifications for reliable operation and durability.
This barrel offers a 1:16 twist rate and is designed to fit standard AR-15 setups configured for .45 ACP. For proper function, use with an enlarged ejection port and a heavier buffer is recommended.
