1/2" x 28 Thread for .223/5.56
5/8" x 24 Thread for .308
CNC Machined High Quality Stainless Steel
Competition Muzzle Brake
Side Ported And Ported On Top
Solid Machined Construction
Reduced Back Pressure
Compact Version
Crush Washer & Jam Nut included
Muzzle end OD : 1 inch , Barrel end OD 0.8"
Length of the muzzle brake ( with thread ) : 2 3/8 inch
Weight: 4 oz