CNC Machining， Steel ， Black.
works for various threading for oil filter Solvent Trap and Tufforce two piece muzzle brakes as three options listed below

Internal Thread (Female):
1/2''-28，  Item # MB-1316R
5/8''-24，  Item#  MB-13/524
9/16''-24  Item# MB-13/924
11/16"-24  Item # MB-13/1124

External Thread (Male): 13/16" -16   for all items above.
Able to combine with TufForce two piece muzzle brakes.
PLEASE NOTE that the muzzle brake is not included here. Visit the links below if you also want order the muzzle brake.
option1， Tufforce two piece muzzle brake item #： MB-50R9Z-02
option2， Tufforce two piece muzzle brake item #： MB-50R9Z-03
option3 ， Tufforce two piece muzzle brake item #： MB-50R9Z-04