Stern Defense Pistol Upper 9mm Luger 6" Barrel 8" M-LOK

The Stern Defense Pistol Upper is a complete, pre-assembled AR-15 style upper receiver chambered in 9mm Luger. It is built around a compact 6" barrel with a Melonite (nitride) finish and an 8" M-LOK handguard, and is designed to mate with a mil-spec AR-15 lower receiver to create a 9mm pistol-caliber pistol or carbine platform.

The upper receiver is machined from 6061 aircraft-grade aluminum, delivering an excellent strength-to-weight ratio for a compact build. The 6" barrel carries a Melonite finish that boosts surface hardness and corrosion resistance for extended service life. The 8" M-LOK handguard accepts M-LOK compatible accessories such as lights, lasers, and forward grips. This upper ships fully assembled with the dust cover and forward assist installed and ready to function.

Manufactured in the USA, the Stern Defense pistol upper is a solid foundation for a 9mm range build, a compact home-defense pistol-caliber platform, or a suppressor host. Finish your build with a Stern Defense 9mm bolt and barrel extension group, a 9mm magazine, and a 9mm-compatible lower or conversion setup.