Stern Defense 45 ACP 10.5" 4150 Chrome Moly Black Melonite Stripped Barrel

The Stern Defense 45 ACP 10.5" Stripped Barrel is a precision-machined replacement barrel built for .45 ACP AR-platform pistol-caliber builds. Cut from 4150 chrome moly steel and finished in black Melonite (nitride), this 10.5" barrel delivers the surface hardness and corrosion resistance needed for hard-use configurations.

A 1:16" rate of twist is optimized for stabilizing .45 ACP projectile weights, and the muzzle is threaded .578x28 for compatibility with common .45 ACP muzzle devices and compensators. Proudly made in the USA to Stern Defense's quality standards.

Whether you are building a compact pistol-caliber carbine, refreshing a worn barrel, or assembling a dedicated .45 ACP upper, this stripped Stern Defense barrel is a straightforward, purpose-built component for your next build.