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Magpul STR Storage Type Restricted Mil-Spec Carbine Stock

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Magpul USA STR Carbine Stock Milspec

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Made in USA, Magpul AR15 Mil-Spec Storage Type Stock

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The Magpul STR stock is based on the CTR size, but includes two QD sling mount points as well as built-in battery storage compartments. The Magpul STR stock uses the same friction lock as found on the CTR, but provides a wider cheek weld area.

The Magpul STR (Storage/Type Restricted) is a drop-in replacement buttstock for AR15 or M4 carbines using mil-spec sized buffer tubes. A storage-capable version of the CTR, the STR has an improved cheek weld and two water resistant battery tubes on a compact, reinforced polymer A-frame design.

A shielded operation lever and supplemental friction locking system prevent accidental adjustment and minimize excessive stock wobble for enhanced weapon stability and accuracy.

The STR incorporates two integral sling loops, a reversible push-button QD sling mount, and a replaceable 0.30" rubber butt-pad which provides positive shoulder purchase to prevent slippage even with body armor or modular gear.


  • Mounts on mil-spec sized carbine receiver extension tube (not included) from manufacturers such as Colt, Armalite, S&W, LMT, and others (please see the note below)
  • Two water-resistant battery storage tubes located on the left and right sides of the stock
    • Each tube will store up to two (2) CR123A lithium or AA batteries
    • Tubes are accessible from the rear in any stock position via a hand-removable rubber plug
  • Supplemental friction lock minimizes accuracy robbing wobble*
  • Premium chrome-silicon lock spring provides positive locking and long service life
  • Sloping cheek weld provides a wide contact surface for user comfort
  • Shielded release latch prevents snagging and accidental operation
  • Replaceable 0.30" Rubber Butt-Pad offers an anti-slip surface and increases impact protection
  • Compatible with Magpul ASAP® and other receiver-mount sling attachments
  • Sling Mounts
    • Rear – Reversible QD swivel sling mount fits up to 1.5" push-button swivels (swivel not included)
    • Rear/Bottom – 1.25" sling loops
    • This Magpul USA Item is ITAR restricted, and cannot ship outside the United States. Any International  orders placed with ITAR restricted items will have that item refunded or substituted at our discretion. Please check out Magpul PTS products for International shipping.

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