STERN DEFENSE 9MM UPPER 4" BBL 4" M-LOK RAIL Hollowpoints these glasses shield your eyes

these glasses shield your eyes from harmful rays while offering clear

Adjustability: 2 oz increments via internal set screw

This mount is compatible with standard QD sling swivels

Optimized for maximum stopping power

this bipod features carbon fiber legs and a 6061-T6 aluminum core for optimal strength-to-weight ratio

STERN DEFENSE 9MM UPPER 4" BBL 4" M-LOK RAIL Hollowpoints these glasses shield your eyesThe 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.