Stern Defense 9mm Pistol Upper, 6" Barrel with 8" M-LOK Rail

Stern Defense 9mm Pistol Upper Receiver

This precision-engineered upper receiver assembly delivers the reliability and accuracy you expect from a quality American-made component.

Key Specifications

• Caliber: 9mm
• Barrel Length: 6"
• Barrel Twist: 1:10"
• Muzzle Threading: .5x36
• Rail System: 8" M-LOK for accessory mounting
• Charging Handle: Laser-engraved for positive control
• Origin: Made in U.S.A.

Design Features

The 6" barrel strikes an excellent balance between velocity and handling, making this upper suitable for both pistol-caliber carbine builds and specialized applications. The M-LOK rail system provides modern modularity, allowing you to mount optics, lights, and other tactical accessories exactly where you need them.

The threaded muzzle accepts standard suppressors or muzzle devices, expanding your versatility in the field or at the range. The laser-engraved charging handle ensures reliable operation and adds a professional touch to your build.

This upper receiver is engineered for shooters who demand American-made quality and straightforward functionality.