B5 Systems MPS1553 Modular Platform Stock
The B5 Systems Modular Platform Stock features an integral left-side folding steel hinge, adjustable length of pull, spring-assist cheekpiece, ambidextrous fixed and limited rotation quick disconnect sling mounts, and a nonslip buttpad. Attaches via 1913 Picatinny mount. Constructed of durable composite materials and steel hardware.