12.5 inch AR-15 NR Side Charging 9x39 Russian Caliber M-LOK Melonite Upper

All our uppers are carefully assembled and tested and ready to go out of the box. Every component is chosen to ensure a high quality upper is produced. Every upper is custom built to order and we go the extra mile to ensure the finished product is to your specifications.This 9x39 upper starts with a Gibbz Arms G4 Non Reciprocating Side Charging Billet Aluminum receiver, mated to a Tactical Kinetics 12.5 inch 9x39, Pistol Length Gas System, 1:7 Twist, Medium Profile, Nitride/Melonite treated barrel. The Gibbz Arms receiver is a proprietary patented receiver that has a non reciprocating side charging handle - handle stays forward during cycling. Side handle is on the opposite side of ejection port allowing the shooter to quickly charge or recharge the weapon without taking finger off the trigger and eye off the scope. Tactical Kinetics is one of our major partners and they produce excellent, accurate barrels. The Bowden Rail is a free floated system, M-LOK slots on all three sides, full length picatinny rail at the top, lightweight handguard. Barrel Nut is made out of solid steel to ensure a solid mounting system.Bolt Carrier Group is OPTIONAL. We offer a BCG from Azimuth Technology, M16 Profile, Properly Staked Gas Key, MP Tested, 8620 Carrier, 9310 Bolt, Nitride Treated. SPECIFICATIONSUPPER RECEIVER: Gibbz Arms G4 Non Reciprocating Side Charging Billet Aluminum Receiver with Gen 2 Handle, M4 Feed Ramps, Type III Hardcoat Anodized Black (Gibbz Cam Pin Included)BARREL: 12.5 inch, 9x39 Caliber, 4150 Chrome Moly Vanadium Steel, 1:7 Twist, Medium Profile, Nitride/Melonite Treated - made by Tactical KineticsHANDGUARD: 10 inch M-LOK Free Floated, Machined out of 6061 T6 Aluminum - made by Bowden TacticalGAS SYSTEM: Pistol Length, Direct Impingement, Stainless Steel TubeGAS BLOCK: Low Profile Gas Block, Machined out of 4140 SteelMUZZLE DEVICE: Standard A2 5/8-24 (enlarged to 9x39) Flash Hider with Crush Washer100% MADE IN THE USAOPTIONAL: ADD an Azimuth 9x39 Nitride M16 Profile BCG