Autoloading hunting rifle with an 18-1/2 fluted barrel and oil finish Grade II Turkish walnut stock. Detachable box magazine lightweight alloy receiver with Picatinny rail scope base and a proven reliable piston gas system. - BAR MK 4 DBM Wood Features - Alloy receiver with integrated Picatinny rail for mounting optics - Non-reflective matte blued finish - Oil finish Grade II Turkish walnut stock - Alloy magazine well with ambidextrous mag release - Fluted barrel - 10-round detachable box magazine - Shim-adjustable for cast on/off and drop at comb - Inflex recoil pad - BAR Features - Gas piston operation - Detachable Box Magazine - High strength the seven-lug rotating bolt that locks securely into the barrel for a precise breech-to-chamber relationship. - Strong action bar/inertia block link-up reduces barrel vibration to improve accuracy - Integral buffering system reduces wear and stress on the rifles operating system