Rugged’s dedicated 5.56mm suppressor has decreased blowback recoil and flash mitigation standard while clocking in at only 13.4 oz. This suppressor is an out-of-the-box solution designed specifically to tame the sound impulse at the shooter’s ear of America’s rifle the AR-15/M-16. – SPECIFICATIONS – CALIBER: 5.56x45mm NATO – DIAMETER: 1.5 – LENGTH: Standard Configuration: 6.4 – WEIGHT: Standard Configuration: 13.4oz – AT EAR dB: 132dB – MATERIALS – Baffles: Cobalt 6 Alloy – Tube: 17-4 PH Stainless Steel – Mount: 17-4 PH Stainless Steel – Finish: High Temp Cerakote – FEATURES – Reduced Gas Blowback – Accuracy Comes Standard – Dual Taper Locking System – Strategically Placed Engraving – Interchangeable End Caps – Belt Fed Rated – INCLUDES – 5.56 M2 Brake (1/2×28 Thread Pitch) – 5.56 Front Cap – Razor556TM Suppressor – Operator’s Manual – Dual Taper Lock Mounting Instructions – Rugged Suppressors Sticker – Razor556 Sticker – MUZZLE DEVICES: – M2 Brake- 1/2×28 – R3 Flash Mitigation System- 1/2×28 (5.56) – 3 Port Brake- 1/2×28 – 2 Port Brake- 1/2×28 (5.56) – END CAPS: Flash Hider Front Cap