Derita Machine 5/8 x 24 Right Hand Thread Alignment Tool for .243
This is a simple TAT (thread alignment tool) for re-threading .243 caliber muzzles to accept 5/8 - 24 RH muzzle devices.
Derita Machine 5/8 x 24 Right Hand Thread Alignment Tool for .270
Grizzly G6811 3 Screw Die Stock, 1-1/2-Inch Diameter
5/8"-24 Muzzle Threading Die High Quality - Gunsmithing (5/8" x 24)
KISENG 5/8-24 UNEF Right Hand Tap with Round Die