The CMMG Zeroed 9mm Linear Compensator is engineered for 9mm firearms with 1/2-28 threading designed to direct muzzle blast forward and reduce felt recoil.CMMG Zeroed Linear Compensator (SKU: 99DA54E)Specifically designed for 9mm caliber firearms1/2-28 thread pitch for secure mountingLinear design directs gases and blast forwardReduces muzzle rise and felt recoilIdeal for tactical applications competition shooting and range use where controlling muzzle blast direction is important while maintaining compact firearm dimensions.