OPERATING SYSTEM: Semi-Auto – Direct Impingement – CALIBER: 8.6 Blackout – WEIGHT: 5 lbs 8 oz – BARREL LENGTH: 12 inches – BARREL MATERIAL: 416R Stainless Steel – BARREL FINISH: Bead Blasted – TWIST RATE: 1:3 – MUZZLE DEVICE: XL Cherry Bomb – THREADS: M18x1.5 (Tapered Shoulder) – MAG TYPE: SR-25 – MAG CAPACITY: 20 – QTY MAGS INCLUDED: 1 – LENGTH OF PULL: Collapsed: 8.375 inches – Extended: 13 inches – TRIGGER TYPE: Literally The Best Trigger Ever Made – TRIGGER WEIGHT: 3.25 lb-3.75 lb – SAFETY: AR-15 Style Ambi – STOCK TYPE: 2 Position collapsible – GRIP TYPE: Reptilia CQG-NB – HANDGUARD: Q-Sert 11 inches – HANDGUARD MATERIAL: 6061 – TOP RAIL: Continuous M1913 Picatinny Top Rail – TOP RAIL MATERIAL: 7075 – RECEIVER MATERIAL: 7075 – RECEIVER FINISH: Clear Hardcoat Anodize – OVERALL LENGTH: Collapsed: 26.75 inches – Extended: 31.25 inches – OVERALL WIDTH: 1.5 inches – HEIGHT: 7.25 inches – Silencer: Not included Porq Chop or Short Chop recommended – SIGHTS & OPTICS: Not Included