Spikes Tactical Kryptek SPR

Kryptek Billet Upper Receiver: Integral Rail Mount, Titanium Barrel Nut, 7075 T6 Construction, Forward Assist, Ejection Port Door, Ejection Port Door Spring, Ejection Port Door Rod. 18" Cold Hammer Forged Barrel: 1/7 Twist Rate, 1/2 X 28 Thread Pitch for Muzzle, 5.56 Nato Chamber, .750 Gas Block Seat, M4 Feed Ramped Barrel Extension, Black Nitride Inside and Out. 13.2” MLOK Rail: 6061 T6 Rail, Continuous Top Rail, Free Floating 1 Piece, Q.D. Attachment Points. Low Profile Gas Block: Solid Billet Steel, .750 I.D. Rifle Gas Tube: Black Nitride Inside and Out, Gas Tube Roll Pin. Charging Handle: Radian Raptor-LT 5.56, MilSpec Type 3 Coating. Nickel Boron M16 Complete BCG: Nickel Boron Coated, Laser Engraved with ST Spider logo, High Pressure Tested (HPT), Magnetic Particle Inspected (MPI), R2 Brake: Black Nitride. Spike’s Gen 2 Billet Sights: Sliding Rear Aperture. Kryptek Gen II Billet Lower: Raised Spider Logo, Raised Bullet Pictogram Selector Markings, 7075 T6 Forged Receiver, Multi Caliber, MIL-A-8625F Type III Class 2 Hard Coat Anodized Finish, Low Shelf, RDIAS Compatible, Proprietary Ambidextrous Controls, Built in Trigger Guard, KNS Mod ST Anti Rotation Pins. Lower Parts: CMC 2 Stage Trigger 2/3, Spike's Pro Grip, Badass Ambi Safety, Billet Magazine Release Button, 6-Position Mil-Spec Buffer Tube, Castle Nut, Staked Latch Plate, 17-7 Stainless Buffer Spring, ST-T2 Buffer, Magpul SL Stock. Optic: 2nd Generation Argon/Krypton Waterproofing, 30mm Maintube, 3:1 Zoom Ratio, 3rd Generation Illumination, 6061-T6 Aircraft Quality Aluminum, Blackened Lens Edges, DiamondCoat 2, Dual Use. BSO Myers Mount: 7075-T6 Aluminum, Type III Hard Coat Anodized, T25 Torx Cap Screws, Bubble Level Included, Heavy Duty 416SS Cross Bolts.