This 3-port compensator is designed for .22 caliber firearms with 1/2-28 thread pitch featuring durable steel construction with a sleek black finish.3-Port Compensator for .22 Caliber1/2-28 thread pitch compatibilitySteel construction for durabilityBlack finish for corrosion resistanceSKU: JPTRE3-2BDesigned to reduce muzzle rise and improve follow-up shot accuracy this compensator is ideal for competitive shooting training and recreational use with compatible .22 caliber firearms.