The most effective muzzle recoil brake on the market. HIPERFIRE performed comparative live-fire testes to confirm their design. It's the same size as the Mil-Spec Birdcage flash hider. Absolutely amazing!

Features :

• - High Performance Recoil Muzzle Compensator
• - Same Size as MIL Flash Hider
• - M9/M10 Bayonet Compatible
• - Best-in-Class Recoil Reduction
• - Calibers: 5.56 NATO, .223 Remington
• - Muzzle Thread: 1/2-28 UNEF RH
• - Weight: 2.4 oz
• - Crush Washer Included
• - Installs w/ MIL Armorer’s Wrench