Midwest Industries AK .30 Caliber Two Chamber Muzzle Brake Large two port design reduces felt recoil and muzzle climb Constructed from tool steel with a phosphate finish AK rifles or pistols with M14 x 1.0 LH threads Weight 2.3 oz 100% made in the U.S.A Lifetime Warranty (by Midwest Industries) #html-body [data-pb-style="62DF828BC8699"]{justify-content: flex-start; display: flex; flex-direction: column; background-position: left top; background-size: cover; background-repeat: no-repeat; background-attachment: scroll; border-style: none; border-width: 1px; border-radius: 0px; margin: 0px 0px 10px; padding: 10px;}#html-body [data-pb-style="62DF828BC86A6"]{border-style: none; border-width: 1px; border-radius: 0px; margin: 0px; padding: 0px;}