Rearden MFG 10144 Mini, 11/16x24 Threads, .571 Bore, Black Nitride Finish, Square Shoulder

Thread Pitch - 11/16x24Weight - 0.83 ozLength - 0.968"Length Added - 0.343"17-4 PH H900Atlas and Atlas XL CompatiblePlan B CompatibleAtlas Adapter Overrun Approximately 0.050a ^2Atlas XL Adapter No OverrunBlack Nitride Finish (67 HRC Surface Hardness)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.T