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B5 Systems AR-10 Collapsible Precision Stock - Black


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B5 Systems AR-10 Collapsible Precision Stock - Black


B5 Systems is proud to announce the selection of the Collapsible Precision Stock into the US Army's Advanced Sniper Accessory Kit. The ASAK provides upgrades for the Army's Knights Armament M110 rifles. The stock has previously been selected by USASOC for use on the Knights Armament M110a3 6.5 CM conversion kit.


The B5 Systems Collapsible Precision Stock. Build upon the venerable cheek profile of the B5 SOPMOD and BRAVO stocks, The Precision stock incorporates an adjustable cheekpiece and buttpad while fitting MIL-SPEC carbine receiver extensions. Features internal tensioners, ambidextrous fixed and quick disconnect sling mounts, under-side M-LOK accessory mount, pull down adjustment lever with lockout, and color matched hardware.



  • Internal tensioners - optimize fit on carbine or ARIO receiver extension
  • Limited rotation, steel, ambidextrous Quick Disconnect sling mount
  • (2) ambidextrous fixed sling mounts
  • Nose shortened allowing for single point sling use while stock is collapsed
  • Adjustable buttpad and cheekpiece
  • Quick Thread precise adjustment dials
  • M-MOL attachment system for monopod and other accessories
  • For MIL-SPEC carbine length buffer tubes



  • Length
    • Min: 8.5"
    • Max: 9.2"
  • Height
    • Min: 4.35"
    • Max: 4.78"
  • Weight: 20.65 oz


Fits adjustable MIL-SPEC receiver extensions, including M4, A5 and M110K. Made of MIL-SPEC materials and components, and proudly made in the USA.


Please NOTE: Does NOT fit fixed receiver extensions.


More Information
SKU CPS-1400
Product Type Stock
Manufacturer B5 Systems
Color Black
Mount M-LOK

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