B5 Systems Collapsible Precision Stock – Medium Black

The B5 Systems Collapsible Precision Stock (CPS) in Medium Black is a polymer, collapsible stock designed for AR-platform rifles. It combines a broad, elevation-adjustable cheekpiece and an adjustable cushioned buttpad with internal tensioners to reduce play on a mil-spec carbine receiver extension. The stock provides ambidextrous sling mounting options including fixed sling loops and steel anti-rotational QD mounts, plus an underside M-LOK accessory mount for monopods or other attachments. The CPS Medium fully collapsed will clear the M4 charging handle and is made in the USA.

Key Specifications

• The model is the Collapsible Precision Stock (CPS).
• The size is Medium.
• The finish color is Black.
• The construction is Polymer (synthetic).
• The weight is 20.65 oz.
• The stock fits AR-platform rifles and Mil-Spec carbine receiver extensions (M4/A5/M110K).
• The unit includes an adjustable cheekpiece and an adjustable cushioned buttpad with precision dials.
• The design uses 10 internal tensioners to minimize rattle on a mil-spec buffer tube.
• The stock provides ambidextrous fixed sling mounts and steel anti-rotational QD mounts.
• The underside includes an M-LOK accessory mount for monopods and other attachments; tube is not included.

Engineered for shooters who want a stable cheek weld and dependable modularity, the B5 CPS Medium blends the feel of a fixed stock with the adaptability of a collapsible unit. Its combination of tensioners, precision adjustments and multiple sling and accessory mounting options makes it well suited for duty, range use, or any build that needs a reliable, no-nonsense stock platform.