The Rearden Manufacturing SPB Plan B face-mount device is built for shooters who want a durable, repeatable muzzle interface with .375 bore performance while running 14×1 left-hand threads. Its face-mount design helps ensure consistent alignment at the barrel shoulder.
Key Features
Plan B interface for a secure, repeatable mounting setup
Face-mount style for consistent alignment at the barrel’s face/shoulder
.375 bore configuration for compatibility across common applications
14×1 left-hand threading for precise fit to LH-threaded barrels
4140 steel construction with black nitride finish for corrosion and wear resistance
Add the Rearden SPB Plan B to your build for a clean, functional muzzle interface tailored to .375 and 14×1 left-hand setups.
