Description Muzzle Brakes are available in: – 5/8-24 Thread – 45 caliber and 375 caliber – 5/8-32 Thread – 45 caliber – 11/16-24 Thread – 45 Caliber -M18x1.5mm – 338 Caliber (8.6 Blackout) – Sold elsewhere under the “8.6 Blackout Parts” category. – 3/4-24 Thread – 45 caliber – NOT FOR 50 Caliber! There are no wrench flats on this size. Insert a rod through the ports to tighten. – 49/64-20 Thread – 50 Caliber -There are no wrench flats on this size. Insert a rod through the ports to tighten. Body Diameter – .980″ Skirt Diameter – .850″ Overall Length – 2.70″ Weight – 3.84oz Crush washer sold separately.
