The STERN DEFENSE 9MM Upper with an 8.5" barrel and 10" M-LOK rail offers an ideal combination of performance and maneuverability for your AR-15 platform. This complete upper features an 8.5" 9mm barrel with a 1:10 twist rate, optimized for accuracy and reliability. The free-float 10" M-LOK handguard provides extensive space for accessories while maintaining a streamlined 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.
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