BAD Thumper Muzzle Brake, Black Finish, 1/2X28 Threads BAD-THUMPER-223-BN Out of stock. Check back later... $65.00 MSRP Price: $63.70 Notify me when this item is back in stock (log in required) Description Details Reviews Shipping info Battle Arms Thumper muzzle brake. 17-4 Stainless steel 1/2X28 threads Stainless steel finish UPC: 810033781865Manufacturer: Battle Arms DevelopmentModel: BAD-THUMPER-223-BNCaliber: 223 RemCategory: PartsOtherMisc AR-15 PartsStock: 0Unit/Measure: ea This item may be shipped directly to your home address, unless you live in a restricted state.