This muzzle brake for akm, ak47 and ak74 rifle for sale is a recoil compensator designed for AKM, AK47 and AK74 rifles in 7.62X39, 5.45X39, and 5.56X45.223 calibers rifles. This muzzle brake for AKM, AK-47, AK-74 rifles includes a muzzle brake adapter with 14X1mm threads LH barrels with a detent and fits AK-74 24mm X 1.5 RH barrels with a detent. The multi-chamber muzzle brake virtually eliminates all muzzle rise. When shooting prone, there are no ports on the bottom of the muzzle brake to reduce the dust signature. The length is 3.3 inches and it is made from steel with a black finish. Fits Most Russian AK 47/74 rifles and Chinese AK. Will fit others with minor modifcations.