The Magpul CTR (Compact/Type Restricted) – Mil-Spec Model is a drop-in replacement buttstock for AR15/M16 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″ thick 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 (not included) from manufacturers such as Colt, Armalite, S&W, LMT, and others (please see the note below)
- 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 AR15/M4 applications
- Removable 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 – 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
NOTE: There are two basic sizes of M4 Carbine receiver extensions (buffer tubes): mil-spec and commercial-spec. If you have a commercial-spec extension on your rifle, make sure to order the Commercial-Spec CTR.
- Weight: 8.8 oz.
- Weight, w/receiver extension: 12.8
- Length, max: 6.9 in.
- LOP Adjustment Range: 3.3 in.
- LOP, M4 Collapsed: ~10.5 in.
- LOP, M4 Extended: ~13.8 in.
* 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.