Magpul STR Stock – MILSPEC


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Magpul STR Stocks available in Black, Flat Dark Earth, OD Green and Grey.

The Magpul STR Stock (Storage/Type Restricted) is a drop-in replacement buttstock for AR15/M4 carbines using mil-spec sized receiver extension tubes. A storage-capable version of the CTR®, the STR has 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 operation and minimize excessive stock movement 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″ thick rubber butt-pad which provides positive shoulder purchase to prevent slippage even with body armor or modular gear.  Buffer tube, carbine buffer, receiver extension nut, and carbine length action springs are not included.  Purchase our Aero Precision AR15 Carbine Buffer Kit here.



  • 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®ASAP® QD, and other receiver-mount sling attachments
  • Sling Mounts
    • Rear – Reversible Type 1 Sling Mount fits up to 1.5″ push-button QD swivels (swivel not included)
    • Rear/Bottom – 1.25″ sling loops


Additional Information

Manufacturer:  Magpul
Finish:  Various; See Options
Type:  Mil-Spec; Collapsible
Material:  Polymer
Platform:  AR15 / AR 10
Length:  7.30″
Length Of Pull: 10.70″ Collapsed; 13.95″ Extended
Sling Mount:  Sling Loop 1.25″ QD Swivel Socket
Weight:  12.3oz
MSRP: $79.95

Weight 1 oz
Dimensions N/A


Part Type

Lower Receiver Parts, Stock


AR10, AR15

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