Enhance your firearm's performance with this CMMG Low-Profile .625 Gas Block. Crafted from durable 4140 chrome moly steel this gas block is designed for those seeking a streamlined look and superior functionality. Its sleek low-profile design allows for easy integration with a free float rail system providing a clean appearance and improved handling. The black finish adds a professional touch ensuring your setup not only functions optimally but also looks impeccable. Ideal for replacing an A2 sight this gas block includes installation screws for hassle-free setup making it a reliable choice for firearm enthusiasts aiming for precision and style.