Magpul STR® Carbine Stock – Mil-Spec
Secure, Storage-Ready, and Designed for Comfort.
The Magpul STR® (Storage/Type Restricted) Carbine Stock is the evolution of tactical performance for AR-15/M4 carbines. Designed as a storage-capable version of the popular CTR®, the STR delivers enhanced cheek weld, built-in water-resistant battery storage, and rock-solid performance for demanding shooters.
This drop-in replacement stock fits Mil-Spec buffer tubes and offers snag-free operation thanks to its shielded release latch and friction lock system—minimizing unwanted movement and maximizing accuracy under stress. Whether you’re law enforcement, military, or a serious AR builder, the STR Stock strikes the perfect balance of comfort, durability, and tactical utility.
Key Features
✅ Fits Mil-Spec Receiver Extension Tubes
Drop-in compatible with buffer tubes from Colt, LMT, S&W, Armalite, and more.✅ Dual Water-Resistant Storage Tubes
Each side stores up to two CR123 or AA batteries—protected from the elements and accessible in any stock position.✅ Enhanced Cheek Weld
Sloped A-frame design provides a stable, repeatable cheek weld with added user comfort and minimal bulk.✅ Snag-Free Shielded Release Latch
Prevents accidental adjustments and locks tightly into position, eliminating play and rattle.✅ Replaceable Rubber Butt-Pad
Textured 0.30” rubber pad offers positive shoulder traction, recoil absorption, and prevents slippage—even with body armor.✅ Multiple Sling Mounting Options
Includes integrated sling loops and reversible QD mount compatible with push-button swivels and Magpul ASAP® systems.✅ Made in the USA
Built to Magpul’s legendary standards for real-world performance.
Technical Specifications
| Feature | Specification |
|---|---|
| Compatibility | AR15/M4 platforms with Mil-Spec carbine buffer tube |
| Length of Pull (Collapsed) | ~10.7" |
| Length of Pull (Extended) | ~14.0" |
| Adjustment Range | 3.3" |
| Length (Max) | 7.3" |
| Height (Max) | 5.2" |
| Weight | 12.6 oz (w/o tube) / ~16.4 oz (with extension) |
| Width (Max) | 2.6" |
| Butt Width | 1.7" |
| Storage | Two side battery tubes (water-resistant) |
| Sling Options | QD mount (reversible), 1.25” sling loops |
| Material | Reinforced polymer |
| Made in | USA |
⚠️ Note: Will not fit commercial-spec buffer tubes. Confirm your receiver extension before ordering.
Ideal For:
- AR-15/M4 tactical builds requiring onboard battery storage
- Duty rifles used by law enforcement, military, or serious enthusiasts
- Shooters needing enhanced cheek weld without bulky aftermarket comb risers
- Builders looking for reliable, snag-resistant, comfortable stocks
Why Choose the Magpul STR® Stock?
Because it’s built for mission-ready storage, field-tested ergonomics, and combat-proven durability. The Magpul STR is the stock of choice when your rifle must perform—every time, no excuses.
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The distinction between inferior quality and premium AR Stock is undeniable. At MSP, we only offer AR15 Accessories from the most trusted brands like Magpul Stock. Buy with confidence that we stand behind the product we sell.
WARNING: This product can expose you to Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to – www.P65Warnings.ca.gov.
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