PREMIUM BARREL: 416 SS nitride coated 10.5 5.56x45mm NATO with 1:7 twist and 1/2-28 muzzle thread. – ALPHA HANDGUARD: Steel plate-reinforced M-LOK rail with hardened screws and anti-rotation tabs. – GAS ADJUSTMENT: Our legendary long-stroke piston system features a 3-position gas adjustment knob. – EXPOSED GAK: The ALPHA series features a forward accessible gas adjustment knob for unobstructed use in conjuction with top rail mounted laser devices and other accessories. – SUPPRESSOR OPTIMIZED: The long stroke piston system bleeds off excessive gas preventing fouling from entering the action and keeping the internal parts cooler with less maintenance needed between patrols. – AMBI CONTROLS: Outfitted with a Radian Raptor charging handle and Radian Talon ambidextrous safety selector for fast intuitive weapon manipulation from either side. – PREMIUM TRIGGER: Geissele Super Dynamic Enhanced (SD-E) Trigger. – ODG FURNITURE: Magpul MOE SL-S Stock K2 grip and Magpul 30rd PMAG Magazine. – FRC COMPENSATOR: Designed for recoil and flash mitigation the FRC is also compatible with PWS PUB suppressor mounts and other popular HUB taper adaptors. – A5 BUFFER SYSTEM: A5 Enhanced Buffer Tube combined with A5 H2 Buffer and Sprinco A5 Spring result in a drastically smoother recoil impulse and more effective recoil management. – COLLECTABLE FINISH: Green Anodized Receivers and Handguard – CALIBER 5.56 NATO – BARREL LENGTH 10.5 – GAS LENGTH PISTOL – TWIST RATE 1:7 – WEIGHT 6.75 lbs – MUZZLE DEVICE FRC 2 PORT – EXTERIOR FINISH GREEN ANODIZE