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Product Name RLKML15 Upper
Part Number 14142
MSRP $799.00
Weight 4 lb 2 oz.
Caliber Chambered in .223/5.56 x 45 mm NATO
Upper Receiver CORE15®  Mil-Spec Forged 7075-T6 M-4 Upper Receiver, Type III Class II Hard-coat anodized finish, M4 Feed Ramps, (1913 Picatinny rail flat top) w/ dry lube internal finish and laser engraved T-markings
Bolt Carrier Group CORE15® Nickel Boron Coated M16 Chrome Lined 8620 Steel Carrier, Magnetic Particle Inspected Bolt (MPI), Mil-Spec Carpenter 158® Steel Bolt, Chrome Lined Gas Key Hardened to USGI Specs with Grade 8 Hardened Fasteners, Mil-Spec Staked, Tool Steel Extractor Upgrade, Extractor Spring, M16 Profile, Shot Peened
Barrel CORE® 16" Stainless Steel 416R, 1:7, 6R, Medium Profile, Bead Blacsted then Fluted Finish, Rifle Length Gas System
Rail CORE15® 15" Aluminum Keymod Rail, Black Anodized
Muzzle Brake CORE15® Muzzle Break
Charging Handle CORE15® V.2 Billet Charging Handle
Gas Block CORE15® Low Profile Gas Block
Gas Tube Rifle Length, made of 304 grade Stainless Steel