Stainless Steel 1/2"x28 or 5/8"x24 Thread Compact Style Muzzle Brake For .223/5.56 or .308

1/2" x 28 Thread for .223/5.565/8" x 24 Thread for .308 CNC Machined High Quality Stainless SteelHeat Treated, solid precision machined construction.Competition Muzzle BrakeSide Ported And Ported On TopSolid Machined ConstructionReduced Back PressureCompact VersionCrush Washer and Jum Nut included (Stainless Steel)Muzzle end OD : 1 inch , Barrel end OD 0.8" Length of the muzzle brake ( with thread ) : 2 3/8 inch Weight: 4 oz