The B5 Systems MPS1553 Modular Platform Stock is a collapsible, Picatinny-mounted stock designed for modular AR-style platforms. It incorporates a left-side folding steel hinge, adjustable length of pull, and a spring-assist cheek riser for adaptable ergonomics. Constructed with composite materials and color-matched steel hardware, the stock is built for repeatable performance in a range of field and range applications.
Key Specifications
- Mounts via a 1913 Picatinny mount for direct attachment to compatible rails.
- Includes an integral left-side folding steel hinge to fold the stock when required.
- Features a collapsible length of pull adjustment for adaptable fit.
- Equipped with an adjustable spring-assist cheek riser to aid consistent sight alignment.
- Uses a cushioned nonslip buttpad for stable shoulder contact.
- Provides fixed sling mount and steel anti-rotational QD mounts for secure sling attachment options.
- Built with color-matched steel hardware and composite construction.
- Specified weight is 16.8 oz per manufacturer materials.
- Marketed fit is Picatinny and listed as an AR-15 accessory.
The MPS1553 offers a practical balance of modularity and durability for informed, no-nonsense users who need a dependable stock solution. Its folding hinge and adjustable ergonomic features make it suitable for range use, training, or modular build projects where a Picatinny-mounted stock is preferred.
This description was generated with AI and may contain errors. Verify specifications and legal restrictions with the manufacturer before purchase. Provided “as-is” without warranties or guarantees.
