Stern Defense 9mm Pistol Upper, 8.5" Barrel, 10" M-LOK

Stern Defense 9mm Pistol Upper Receiver Assembly

This complete upper receiver assembly from Stern Defense provides everything you need for a reliable 9mm pistol platform build. Engineered for shooters who demand precision and durability.

What's Included

• Upper Receiver: Assembled Stern Defense upper with dust cover and forward assist
• Barrel: 8.5" 9mm with Melonite finish and .5x36 threading
• Rail System: 10" M-LOK handguard for accessory mounting flexibility
• Bolt: SD BU9 Glock-cut bolt for reliable feeding and extraction
• Charging Handle: Enhanced SD CH1 with laser engraving for positive control
• Muzzle Device: SD Blast Can included
• Hardware: Barrel nut, bolts, and all necessary installation components

Specifications

• Caliber: 9mm
• Barrel Length: 8.5"
• Twist Rate: 1:10"
• Receiver Material: 7075-T6 aluminum with hard-anodized finish
• Finish: Black Melonite barrel, anodized receiver
• Origin: Made in the USA

Why Choose This Upper

The Stern Defense upper delivers the accuracy and reliability serious shooters expect. The 8.5" barrel strikes an excellent balance between velocity and handling, while the 10" M-LOK rail gives you plenty of real estate for optics, lights, and other tactical accessories. The Glock-cut bolt ensures compatibility with standard Glock magazines, making this a versatile choice for 9mm platform builders.