The Brownells 5.56x45mm MK12 profile AR-15 barrel is a testament to precision engineering and craftsmanship, inspired by the renowned MK12 platform favored by US Special Operations. This barrel is meticulously crafted in the USA, utilizing 416-R certified stainless steel bar stock, ensuring exceptional durability and performance. Each barrel undergoes a comprehensive stress relief process, enhancing its reliability and accuracy. Measuring 18 inches in length, this barrel is designed to deliver superior semi-automatic precision, making it an essential upgrade for any AR-15 enthusiast seeking to replicate the legendary performance of the MK12. Whether for competitive shooting or tactical applications, the Brownells MK12 profile barrel stands as a pinnacle of quality and precision.

Feature - 1:7 twist rate
Equipped with 1/2-28 TPI threads for suppressor compatibility
Equipped with an 11 degree target crown
Each barrel is subjected to magnetic particle inspection to ensure quality

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