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    This buttstock is a massive improvement on the standard collapsible ones included on most rifles. The locking lever takes all movement out of the buffer tube stock slide. Really nice piece.

    Review by

    Posted on

  2. I Like It!
    picked up one of these in FDE for my DMR build as i wanted a stock that was a big bigger than the normal ones for distance shooting.

    really like it!
    super solid lock up.

    only thing i dont like about it is the FDE color is a little off from the NEA FDE color.
    im finding that to be true for all Magpul stuff in FDE - not an exact match for NEA FDE.
    not Magpuls fault, stock is excellent!

    Review by

    Posted on

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Magpul MAG470 STR Carbine Stock (Mil-Spec)

In stock
From CA$131.33

The Magpul STR (Storage/Type Restricted) is a drop-in replacement buttstock for AR-15/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.


  • Mounts on mil-spec sized carbine buffer tube
  • 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


  • STR Carbine Stock, Mil-Spec
  • Weight: 12.3 oz.
  • Length, max: 7.3 in.
  • Width, max: 2.6 in.
  • LOP Adjustment Range: 3.3 in.
  • LOP, M4 Collapsed: ~10.9 in.
  • LOP, M4 Extended: ~14.2 in.

Fine Print

  • * Friction lock performance may vary depending on the host receiver extension's dimensional tolerances.
  • ** Specifications based on standard-length (flat-back) M4 Carbine receiver extension and may vary depending on tube manufacturer."

    You get:

    • (1) Buttstock

      Compatible with:

      • Mil-spec buffer tubes
      • Magpul ASAP, ASAP QD, and other receiver-mount sling attachments

      Installation Difficulty: 

      Tools required:  none

      Installation notes: none