Adding a muzzle brake to your rifle helps reduce recoil and enhance control, making shooting more fun and enjoyable than it is already (if that's possible). The Area 419 Hellfire Muzzle Brake was built from the ground up to enhance a number of guns, thanks to a unique design. The Area 419 Hellfire Muzzle Brake isn't just any standard muzzle brake.Specifications and Features: Caliber: 6.5mm Material: Stainless Steel Threads: 5/8-24 Features a self-timing design that allows for easy installation without the need for shims, while preserving rifle zero Offers enhanced recoil reduction and control Can be used with suppresor-mount adapters for versatility