Rearden MFG 10064 Mini, 1/2x28 Threads, .456 Bore, Heat Treat Finish, Square Shoulder

Thread Pitch - 1/2x28 Weight - 1.5 ozLength - 0.968"Length Added - 0.155"17-4 PH H900Atlas and Atlas XL CompatiblePlan B CompatibleAtlas Adapter Overrun Approximately 0.050a ^2Atlas XL Adapter No OverrunH900 Wheat Finish (Variations Exist)Shims Not IncludedAlways use an alignment rod to ensure that the entire system is set up correctly. 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 mu