The MRX Bison is a compact, light and rugged bolt action rifle that is chambered in 300 Blackout and is fed with AR15 magazines.  Caliber options also include 5.56N.  This rifle would be comfortable in its scabbard on the side of a horse,  packed, slung or mounted onto a Utility Vehicle for ranch, range or backcountry duty.  The vertical pistol grip and adjustable stock allows for the rifle to be shot comfortably in any position.