Upgrade your suppressor setup with the Wolfpack Armory Low-Profile Alpha Adapter Plan B 1.125x28 - Black Nitride, a precision-engineered mount designed for shooters who demand minimal added length without compromising strength or reliability. Key Features Ultra-low profile design adds just 0.75 inches of length while maintaining a 1.375-inch diameter for seamless integration. Compatible with Plan B and Rearden-type muzzle devices for quick attach and detach of your suppressor. Adapts directly to SilencerCo Alpha or any 1.125x28 threaded suppressors, including popular handgun and subgun models. Machined from durable 17-4 stainless steel with a corrosion-resistant black nitride finish that withstands heavy use and carbon buildup. Installs easily using a 1.25-inch spanner wrench for a rock-solid, aligned lockup every time. Specifications Thread Pattern: 1.125x28 (Alpha) Material: 17-4 Stainless Steel Finish: Black Nitride Weight: 2.5 oz Dimensions: 0.75 in length x 1.38 in diameter Compatibility: Plan B/Rearden muzzle devices and Alpha-threaded suppressors