REXUS 6.5 Grendel 18" AR15 Heavy Barrel

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    • Chrome-moly-vanadium 4150 tactical tough steel in our Bravo heavier marksman profile for increased stiffness and decreased heat effects
    • Black nitrided inside and out, including barrel extension with M4-style feed ramps, for all-weather durability
    • Rifle-length gas system (RLGS) for smoother recoil impulse; gas block diameter 0.750″; NOTE: Gas block journal is sized for 1″ length low-profile gas blocks and gas port is located 0.295″ from gas block shoulder; A2 front sight towers needing 1.9″ will NOT fit
    • SAAMI-spec chamber; headspaced for Mk136, also called Type 2, AR15-style bolts with a boltface depth of 0.136 inches
    • Button-rifled. Hybrid 5R 1:7.5 rifling with our unique 5R-EE (Easy Engraving) reduced-height rifling for decreased bullet deformation
    • “Bull” chamber section reduces barrel whip for consistent accuracy while being closer to gun’s center of balance for easier handling; also puts a good chunk of protective steel closest to the operator, where it counts in the event of an overcharge
    • Muzzle threads 5/8×24 with 11-degree target crown
    • We developed our exclusive Dog-Point Dimple System (DPDS) to allow use of an extended-tip, half dog-point set screw for mounting of a set-screw style gas block; simple, smart, and absolutely secure (gas block and screws NOT included)
    • “Rexus Victor, Conquering King” logo near muzzle
    • Weight: 2 lb 9.4 oz / 41.40 oz / 1173g