Barrel: SpecOp MFG 7.5” 4150 CoMOV 1:7 MPI HPT Barrel Caliber: 5.56 NATO Chamber Barrel Steel: 4150 CrMoV (Chrome Moly Vanadium per MIL-B-11595E) Twist Rate: 1/7 Twist Thread Pitch: 1/2-28 Threaded Muzzle Gas Block: .750″ Gas Block Journal with appropriately sized gas port Weight: 10 Ounces Barrel Finish: QPQ Corrosion Resistant Finish Barrel Extension: QPQ coated M4 Feed Ramp Extension High Pressure (proof) Tested (HPT) Magnetic Particle Inspected (MPI)
Upper Receiver: Material: Made from Mil-Spec 7075-T6 aluminum Cerra Forge forgings. Exterior Finish: Anodized to Mil-Spec MIL-A-8625F, Type III, Class 2, Hard Anodic Coating, Flat Black Dye, Non-Reflective, NiAc Seal Interior Finish: Dry Film Lube T-Marks: Engraved T-Marks
Gas Block: SpecOp MFG Lo-Pro Gas block made from 4140 Steel with a Phosphate Coating.
Gas Tube: Stainless Steel
SpecOp Standard A2 1/2x28 with Crush Washer
SpecOp Ultra-Light Keymod Handguard 7”
Material: Aircraft Grade 6061-T6 Aluminum Finish: Military Specification Type III Hard Coat Anodized Length: 15” Inside Diameter: 1.340" Continuous Top Rail Made in the USA!