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Price history
Lowest in-stock price in the last 30 days: $54.51 at Kentucky Gun Co. Dashed line = out of stock. Tracking since Oct 28, 2026.
Show the prices as a table
Store
Latest
Lowest
Highest
AR15Discounts
$54.95
$54.95
$66.45
Dirty Bird
$66.45
$66.45
$66.45
Guns.com
$66.45
$66.45
$66.45
Kentucky Gun Co
$54.51
$54.51
$54.51
Since Oct 28, 2026.
About this part
The Magpul CTR Carbine Stock - Black is an AR-15 stock from Magpul. It's sold by 4 stores (1 in stock), from $54.51 to $66.45. The lowest in-stock price in the last 30 days was $54.51 at Kentucky Gun Co.
The Magpul CTR (Compact/Type Restricted) " Mil-Spec Model is a drop-in replacement buttstock for AR-15/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. FEATURES 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 AR-15/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, this model will not work. SPECS SPECIFICATIONS CTR Carbine Stock, Mil-Spec 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.