The Strike Industries Xlogic Ghost is a six port muzzle brake system with no timing necessary thanks to the six detent positions available to choose from when installing to your AK. This muzzle device is design to greatly reduce muzzle rise and some perceived felt recoil. Besides looking aggressively cool, the AK Ghost is also compatible with most AKM style bayonets! For this product, SI partnered with XLogic, the creator of the ACSS Reticle system who is now entering the fray in the world of exceptional muzzle devices. Features6 port muzzle brake systemNo timing necessaryCompatible w/ most AKM bayonetsReduces perceived felt recoil and helps control muzzle flip