The B5 Systems Modular Platform Stock integrates a 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. This stock mounts via 1913 Picatinny rail and combines durable composite materials with steel hardware. The MPS-1555 variant offers collapsible 2 ¼” length of pull adjustment and an adjustable spring assist cheekpiece that adds ½” of height.
Made in the USA, this stock weighs 16.8 oz and measures 8.06 inches in length. The left-side folding steel hinge enables compact storage while maintaining strength, and the cushioned non-slip buttpad provides stable shoulder contact. Color-matched steel hardware creates an integrated finish, with fixed sling mounts and steel anti-rotational QD mounts included to support modern tactical and precision shooting applications.
