The STERN DEFENSE Upper with a 16.1" barrel and 15" M-LOK rail offers a high-performance solution for your AR-15 platform. This complete upper features a 16.1" 9mm barrel with a 1:10 twist rate, optimized for accuracy and reliability. The free-float 15" M-LOK handguard provides ample space for accessories while maintaining a sleek profile. The upper includes a Glock-compatible bolt carrier group and an enhanced charging handle for smooth operation. Machined from high-quality materials and finished with a durable coating, this upper ensures consistent performance in various shooting conditions. The enlarged ejection port accommodates 9mm rounds, making it an ideal choice for pistol caliber carbine builds.
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