The ROGUE BASE Rifle features our E2 22 match-grade 6MM Creedmoor barrel and our Patented Roller Cam Pin. The Mil-spec Anti-tilt 6 Position Buffer Tube comes standard with a MAGPUL MOE SL-K Retractable Stock. The receiver set has been Hard Anodized black in color and this firearm features a 15 M-LOK Handguard. – Standard Features – Nitride Treated 4150 Chrome Vanadium Barrel – Black Anodize – Standard Low Profile DI Gas Block – Mil-spec Charging Handle – Mil-spec Trigger – SPECS – OAL (Collapsed) 40 – Weight 6.8 lbs – Rifling 1:7.5 twist 5R (6mm) – Barrel 22 – Trigger Mil-spec – Furniture MAGPUL MOE SL-K – Receiver Finish Black Anodize – Handguard 14 M-LOK – Muzzle A2 Flash Hider