The B5 Systems Collapsible Precision Stock (CPS), long, is an advanced rifle stock design that combines the trusted cheek profile of the B5 SOPMOD and Bravo stocks with enhanced customization features. Engineered for versatility and comfort, it includes an adjustable cheekpiece and butt pad for a personalized fit. Compatible with mil-spec carbine receiver extensions, it offers improved stability and control. Features internal tensioners for a secure fit and ambidextrous fixed and quick disconnect sling mounts for flexible carrying options. Includes a gross length of pull adjustment mechanism with a pull-down lockout for quick adaptability. The underside M-LOK accessory mount allows for additional customization by attaching various accessories. Optimized for side charging and rifles with the LAW side folding adapter, making it suitable for tactical applications. Equipped with color-matched hardware for a sleek, cohesive appearance. Designed for compatibility with law side folding adapters and side charging platforms Adjustable cheek weld and butt pad with precision dials and ten internal tensioners Color-coordinated steel components Gross adjustment lever with lockout functionality Fixed sling mounts and steel anti-rotation quick-detach (QD) mounts Cushioned non-slip butt pad Accessory cheek piece mounting slots M-LOK accessory attachments for the underside Constructed from mil-spec materials and finishes Compatible with mil-spec carbine receiver extensions