The Precision Armament HYPERTAP Muzzle Brake was developed from the ground up and backed by knowledge gained from years of pushing the edge of muzzle device performance. The proprietary Hybrid Baffle Design combined with advanced Convergent-Divergent port geometry yields an unprecedented recoil reduction of over 84%, nearly 10% higher than the M4-72, while maintaining modest 35-degree baffle angles and generous bore clearance. This results in exceptional safety, less gas blowback, better accuracy, and higher overall shooter comfort than any other device in its class. Fully tunable gas biasing allows the shooter to further reduce, or even eliminate, sight picture movement while firing. An integral universal timing nut eliminates the need for shims and allows quick field installation & removal using an adjustable wrench or the lightweight spanner tools (included). Additional features include: zero flash increase, compact lightweight design, a rugged skeletonized crown, cleaning friend...