The B5 Systems Modular Picatinny Stock is a durable, adaptable stock designed for platforms utilizing a 1913 Picatinny rail interface. Finished in Wolf Gray, it features a left-side folding steel hinge, adjustable length of pull, and a spring-assisted adjustable cheekpiece for improved ergonomics and shooter fit. Constructed from rugged composite materials with steel components, the MPS-1557 is built for reliability and longevity. The robust build ensures the stock can withstand demanding use in a variety of environments. This modular stock includes a left-side folding steel hinge for compact storage and transport, an adjustable length of pull to accommodate different shooter preferences, and a spring-assisted adjustable cheekpiece for optimal cheek weld and comfort. Additional features include ambidextrous QD sling mounts for versatile sling attachment and a non-slip cushioned buttpad for enhanced stability and control during shooting. Designed for platforms with a 1913 Picatinny rail interface, the B5 Systems MPS-1557 delivers reliable performance across a wide range of rifle configurations. Its modularity and adjustability make it suitable for various shooting applications and user preferences.