PLUMCRAZY FIREARMS MODEL GEN II, SERIAL NUMBER Z17479 Notes: The PlumCrazy Gen II by ET Arms is an ultra-lightweight, polymer-based AR-15 semi-automatic rifle chambered in 5.56 NATO with a 1:8 twist barrel. Rifle SpecificationsCaliber: 5.56x45mm NATO (compatible with .223 Remington). Barrel Length: 16 inches (approx. 17.6 inches with the A2 flash hider). Twist Rate: 1:8 twist, designed to stabilize a wide range of bullet weights. Weight: Lightweight build, roughly 5.5 to 5.7 pounds. (WITHOUT ACCS) Handguard: 13-inch M-LOK aluminum fore-end. Receivers: Fiber-infused polymer upper and lower receivers with metal overmold inserts for durability. Trigger: ET Arms Saf-T-First polymer/metal trigger. Capacity: 40 ROUND PMAG SCOPE: MONSTRUM BANSHEE 1-4X20 RED & GREEN ILLUMINATED RETICAL. NC STAR FLIP UP RED DOT ON CANTED SIGHT MOUNT FIRE FIELD LIGHT LASER COMBO WITH PRESSURE SWITCH THAT IS VELCRO & TAPED TO 90 DEGREE HAND GRIP POP UP SIGHTS ON CANTED MOUNTS ON OPOSITE SIDE OF THE POP UP RED DOT. ADJUSTABLE STOCK MOE PISTOL GRIP WE INCLUDED PHOTOS SO YOU CAN SEE THE ACCS WORKING, THE CROSSHAIR OF THE SCOPE DOES NOT COME OUT IN THE PHOTOS BUT IT WAS TESTED AND THE GREEN & RED BOTH WORK WITH LEVEL ADJ FOR BRIGHTNESS.