MPN: CPS-1304 / CPS-1305 / CPS-1308


  • Adjustable cheek weld and buttpad with precision dials
  • Mounting slots for an Accessory Cheekpiece
  • Includes 10 internal tensioners for a solid fit
  • Color-matched machined hardware for a cohesive appearance
  • Fixed sling mounts for secure attachment
  • Incorporates steel anti-rotational QD mounts for quick-detach sling compatibility
  • Provides a no-slip cushioned buttpad for enhanced comfort
  • Gross adjustment pull-down lever with a lockout feature
  • Underside M-LOK accessory attachment for additional customization options
  • Made from Mil-Spec materials and finishes for durability
  • Designed to fit Mil-Spec carbine receiver extensions (M4/a5/M110K)
  • The CPS Medium, when fully collapsed, will clear the standard AR-15 charging handle without any interference


  • Material: Polymer with Rubber Buttpad
  • Finish: Black, Flat Dark Earth, or OD Green
  • Length: 8.5"
  • Height: 4.35"
  • Width: 2"
  • Weight: 1 lb. 4.65 oz.


  • AR-15 with Mil-Spec buffer tube


  • 1x B5 Systems Collapsible Precision Stock - Medium


If you desire enhanced performance and exceptional comfort from your AR rifle, consider upgrading your stock to the B5 Systems Collapsible Precision Stock. It is designed to meet the needs of precision shooters. This stock offers unparalleled adjustability, durability, and comfort. With an adjustable cheek rest and buttpad, you can customize the stock to fit your body’s dimensions precisely. The precision dials enable precise adjustments, and the 10 internal tensioners ensure a secure fit.

Durable Design for Intensive Use

Crafted from high-quality polymer, the B5 Systems Collapsible Precision Stock is built to withstand rigorous use. All hardware and adjustable components are color matched, providing a unified appearance that enhances your rifle's aesthetics. The stock features a polymer construction and a rubberized, no-slip cushioned buttpad for improved comfort.

Versatile Modularity

Modularity is a key feature of the B5 Systems Collapsible Precision Stock. It incorporates an M-LOK accessory rail on the underside, allowing easy attachment of a buttstock monopod. Additionally, the stock includes steel anti-rotational QD mounts, facilitating quick sling attachment.

For those seeking to elevate their rifle's performance and achieve greater comfort and accuracy, the B5 Systems Collapsible Precision Stock is an excellent choice.

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