The Midwest Industries Two Chamber Muzzle Brake is engineered for .30 caliber firearms with 5/8-24 threading providing effective recoil reduction and muzzle control.Midwest Industries Two Chamber Muzzle Brake5/8-24 thread pitch for secure attachment.30 caliber compatibilityTwo-chamber design for enhanced recoil managementModel MI-MB5Designed for precision shooters and tactical applications this muzzle brake helps reduce felt recoil and muzzle rise for improved accuracy and faster follow-up shots.