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The Magpul CTR Carbine Stock – Mil-Spec Model is a drop-in replacement buttstock for AR-15 5.56/.223 carbines using mil-spec sized receiver extension tubes. Designed for light, fast action the streamlined A-frame profile avoids snagging and shields the release latch to prevent accidental activation. The CTR also features a supplemental friction lock system that minimizes excessive stock movement for enhanced weapon stability* and an ambidextrous QD sling mount that will accept any push-button sling swivel. The Mil-Spec Model includes a standard 0.30" rubber butt-pad which provides positive shoulder purchase to prevent slippage even with body armor or modular gear.

Made in U.S.A.


  •Mounts on mil-spec sized carbine receiver extension tube
  •Supplemental friction lock minimizes accuracy robbing wobble
  •Sloping cheek weld combines a slim profile with user comfort
  •Shielded release latch prevents snagging and accidental operation
  •Premium chrome-silicon lock spring provides positive locking and long service life
  •Side mounting slots accept optional cheek risers for NON-5.56/.223 carbine applications
  •Removable 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 - Push-button QD swivel sling mount accommodates up to 1.5" swivels (ambidextrous)
  •Rear/Bottom - 1.25" sling loops
  •Toe - Lanyard hole for custom para-cord rigs


  •Weight: 0.50 lb.
  •Weight, w/ Rec. Extension: 0.75 lb.
  •Length, Maximum: 6.90 in.
  •LOP Adjustment Range: 3.25 in.
  •LOP, Carbine Collapsed: 10.70 in.
  •LOP, Carbine Extended: 13.95 in.
NOTE: There are two basic sizes of AR-15 receiver extensions (buffer tubes): mil-spec and commercial-spec. Please make sure you know which one you have.

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Magpul CTR Stock Mil-Spec - Black

  • Product Code: MAG310-BLK
  • Availability: Out Of Stock
  • $59.95
  • Free Shipping

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