The Hawkins Precision Tank Brake was designed for long range shooting in the prone shooting position. It reduces recoil and muzzle rise without stirring up a lot of dust leaving your field of view open for another shot. The Tank Brake is one of the most efficient muzzle brake on the market, this brake reduces felt recoil by more than half. The Tank brake comes standard with a 5/8-32 class 3B thread, custom threads are available. Available in Stainless steel and 4140. Please call for information and pricing.