The GrovTec G-Brake Muzzle Brake is engineered for 5.56/.223 caliber firearms with 1/2x28 threading and features a durable nitride finish for enhanced corrosion resistance.GrovTec G-Brake Muzzle Brake (SKU: GTHM362)One piece steel construction for maximum durability1/2x28 thread pitch compatibilityNitride finish for corrosion protectionIncludes crush washer for proper installationDesigned for 5.56 NATO/.223 Remington calibersIdeal for hunters competitive shooters and military/law enforcement professionals seeking reliable muzzle control and recoil management. Proudly crafted in America with precision engineering and quality materials.