The AR-15 A2 Flash Suppressor is designed for 30 caliber rifles with 5/8-24 threading constructed from durable steel with black finish.AR-15 A2 Flash Suppressor for 30 caliber5/8-24 thread pitch for secure mountingSteel construction with black finishStandard A2 design for flash reductionCompatible with AR-15 platform riflesThis flash suppressor helps reduce muzzle flash while maintaining the classic A2 profile making it ideal for tactical applications and range use with AR-15 rifles chambered in 30 caliber cartridges.