Cadex' Dual Strike chassis is a feature-rich system that is, according to Cadex, currently in use by Spec Ops, as well as by long-range precision marksmen. Features: Tool-free, fully-adjustable stock Monopod rail Folding buttstock, which protects bolt handle when completely folded Oversized trigger guard and magazine release, enabling gloved-shooting without issue Ergo grip (rubberized, finger-grooved) 20 MOA full-length dual top rail, which attaches to fore end tube Aluminum detachable base, permitting easy access for trigger adjustment Heavy-duty fore end, permitting attachment of accessory rails at 3-, 6-, and 9-o'clock positions Sleeves are available to permit use of many popular magazines Short action chassis weigh 7.27 lbs. Long action chassis weigh 7.43 lbs. Cadex Defense Dual Strike OD Green Surgeon 591 SA 20 MOA DSSF Mag Type 3.055" Folding Chassis STKDL-SGN-RH-SA-R20B-ODG in Olive Drab Green