Popular Pick – Stern Defense SD-15 Mod 4 9mm Upper M-LOK Black

Specifications

Weight—-2.6 grams

Material—-7075-T6 aluminum receiver and handguard with a 416 stainless steel barrel

WARNING: This product can expose you to chemicals including arsenic, which is known to the State ofCalifornia to cause cancer. For more information, go toWWW.P65WARNINGS.CA.GOV

Product Overview

Stern Defense SD-15 Mod 4 9mm upper receiver built with a 16.1-inch barrel and a 15-inch M-LOK handguard. It features 1:10 twist and a 1/2×36 threaded muzzle for compatibility with common 9mm suppressor and muzzle device standards. Finished in black for a clean, streamlined look.

Key Features

• 16.1-inch 9mm barrel for an extended sight radius and balanced handling
• 15-inch M-LOK handguard for mounting lights, grips, and accessories
• 1:10 twist rate optimized for typical 9mm projectile stabilization
• 1/2×36 threaded muzzle for suppressors and compatible 9mm muzzle devices
• Laser-engraved charging handle for quick identification and a refined finish
• Built in the U.S.A.

Upgrade your 9mm build with a modular, accessory-ready SD-15 Mod 4 upper from Stern Defense.