REXUS 6mm ARC 18" AR15 Heavy Barrel
$164.95
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REXUS 6mm ARC 18" AR15 Heavy Barrel
- Premium 4150 chrome-moly-vanadium steel in a heavier marksman profile for increased barrel stiffness and decreased heat transfer for maximum accuracy
- Black Nitrided barrel inside and out; barrel extension has M4-style feed ramps
- Rifle-length gas system (RLGS); gas block diameter 0.750″
- SAAMI-spec chamber; headspaced for Mk136, also called Type 2, AR15-style bolts with a boltface depth of 0.136 inches, extended freebore allows seating to 2.280
- Button-rifled. 5R 1:7 rifling with our unique Easy Engraving rifling profile for decreased bullet deformation
- Muzzle threads 5/8×24 with 11-degree target crown
- Features our industry-first Dog Point Dimple System (DPDS) for smart and secure gas block installation
- Weight: 2 lb 10.1 oz / 42.05 oz / 1192g