L9-L89 14.5″ 5.56MM Upper Receiver Group
Barrel: SOLGW 14.5” 4150CrMoV 1:7 MPI HPT Barrel – V2 Profile
Caliber: 5.56mm
Barrel Steel: Chrome Moly Vandium
Twist Rate: 1/7 Twist Six Groove
Thread Pitch: 1/2×28 Threaded Muzzle
Gas Block: .750″ Gas Block Journal with appropriately sized gas port
Barrel Finish: QPQ Corrosion Resistant Finish
Barrel Extension: Mil-Spec M4 Feed Ramp Extension
High Pressure Tested (HPT)
Magnetic Particle Inspected (MPI)
Upper Receiver:
Material: Made from Mil-Spec 7075-T6 aluminum Cerra Forge forgings.
Finish: Anodized to Mil-Spec MIL-A-8625F, Type III, Class 2, Hard Anodic Coating, Flat Black Dye, Non-Reflective, NiAc Seal
T-Marks: Engraved T-Marks
Charging Handle: None
Gas Block: Lo-Pro Gas block made from 4140 Steel and Nitride Treated with Knurled Head Set Screws
Gas Tube: Mid Length Melonited Stainless Steel
Rail System: 13.76″ L89 Drive Lock Rail system.
Weight: 15 OZ
Inside Diameter: 1.3″ ID
Finish: Mil-Spec Type III Class 2 Hard Coat Anodizing per Mil-Spec Mil-Spec MIL-A-8625F
Barrel Nut: Titanium
Free Floating Design
Grade 8 Fasteners
Anti Rotation- Anti Slip Design
Includes Steel QD MLOK
Continuous top rail design
Mil-Spec 1913 Mounting rails
Muzzle Device: None
Sights: None, Optics Ready