Model 700 5R Gen 2 Series .300 Winchester Magnum 24 Inch Fluted 5/8-24 Threaded Barrel With 5-R Rifling Black Cerakote Finish Tactical Bolt Knob H-S Precision Sand Color Stock with Black Webbing 3 Round. Stainless steel barreled action with black Cerakote finish. Fluted barrel with threaded muzzle and thread protector. 5/8-24 TPI. Tactical bolt knob. H-S Precision sand color stock with black webbing. 5-R rifling.