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45 ACP 230gr TSJ delivers advanced performance with a unique visual appeal
Optimized for maximum stopping power
these glasses shield your eyes from harmful rays while offering clear
-Fully retractable w/ a wide range of calibers
STERN DEFENSE 9MM UPPER 4" BBL 4" M-LOK RAIL Hollowpoints 45 ACP 230gr TSJ deliversThe STERN DEFENSE 9MM Upper with a 4" barrel and 4" M LOK rail offers a compact and versatile solution for your AR 15 platform. This complete upper features a 4" 9mm barrel with a 1: 10 twist rate, optimized for accuracy and reliability. The free float 4" M LOK handguard provides ample space for accessories while maintaining a slim profile. The upper includes a Glock compatible bolt carrier group and an enhanced charging handle for smooth operation.
