MI Muzzle Brake, Fits AR Rifles, Black MI-ARMB1 Available to order on-line. Ships in 5-14 days Price: $38.95 Description Details Reviews Shipping info AR-15 muzzle brake made by Midwest Industries. Three chamber design significantly reduces muzzle rise Tool steel construction with a phosphate finish 1/2X28 thread pitch UPC: 816537013730Manufacturer: Midwest IndustriesModel: MI-ARMB1Caliber: 223 RemCategory: PartsOtherMisc AR-15 PartsStock: Ships in 5-14 business days.Unit/Measure: ea This item may be shipped directly to your home address, unless you live in a restricted state.