Our new Smooth Muzzle Brake for the Yugo M92 is made of machined steel and finished in black oxide for durability. It has six large machined, slotted ports, six smaller ports with a smooth muzzle tip. It is 3" inches in length and weighs only 4.5 ounces. It has a thread of M26 x 1.5mm LH and has locking notches for a detent pin.