Rearden R2S Flash Hider Rainbow PVD 1/2×28

• 17-4 PH
• Atlas and Atlas XL Compatible
• Plan B Compatible
• Rainbow Black PVD
• Shims not included
• Threaded 1/2×28

These fit the plan B type mounts.  Make sure all surfaces are cleaned and the muzzle device has been torqued and Rockset to the barrel.  Use on a Q can voids your warranty, be warned.

Torque the muzzle device to approximately 30 ft lbs. Make sure the muzzle device is square against the shoulder. When setting the silencer on the muzzle device, ensure that the threads and tapers are clean