18 inch AR-15 NR Side Charging 458 Socom Melonite Complete Upper Kit

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 458 Socom upper kit starts with a Gibbz Arms G4 Non Reciprocating Side Charging Billet Aluminum receiver, mated to a Tactical Kinetics 18 inch 458 Socom, Carbine Length Gas System, 1:14 Twist, Heavy 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 high quality, 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. Comes with the Bolt Carrier Group. SOPMOD stock by JE Machine Tech is OPTIONAL. Features a wide cheek weld, rubber non slip butt pad, two water tight storage compartments and stainless steel QD swivel mount. Made in the US.We can also UPGRADE the TRIGGER to a Rise Armament RAVE 140 or a Timney Impact Trigger. Great option if you are looking for a lighter and more crisp trigger pull.NOTE: We recommend E-LANDER 458 Socom Magazines for this caliber.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: 18 inch, 458 Socom Caliber, 4150 Chrome Moly Vanadium Steel, 1:14 Twist, Heavy Profile, Nitride/Melonite Treated - made by Tactical KineticsHANDGUARD: 15 inch M-LOK Free Floated, Machined out of 6061 T6 Aluminum - made by Bowden TacticalGAS SYSTEM: Carbine Length, Direct Impingement, Stainless Steel TubeGAS BLOCK: Low Profile Gas Block, Machined out of 4140 SteelMUZZLE DEVICE: Standard A2 (Enlarged to 458) Flash Hider with Crush WasherBOLT CARRIER GROUP: 458 Socom Caliber, M16 Profile, Mil-Spec, MP Tested, Nitride Treated, Properly Staked Gas Key, 8620 Steel Carrier, 9310 Steel BoltLOWER PARTS: UNBRANDED AR ELG Lower Parts KitSTOCK: M4 Milspec Stock Kit - includes standard buffer spring, 3oz buffer, castle nut, latch plate and 6 position Milspec buffer tube100% MADE IN THE USAOPTIONAL: UPGRADE STOCK to a JE Machine Tech SOPMOD StockOPTIONAL: UPGRADE TRIGGER to a Rise Armament RAVE 140 or a Timney Impact Trigger