Magpul PMAG 30 AR 300 B GEN M3 MCT MAG800MCT – Premium .300 Blackout AR-15 Magazine
The Magpul PMAG 30 AR 300 B GEN M3 MCT (MAG800MCT) is a high-performance 30-round polymer magazine specifically engineered for AR-15 platforms chambered in .300 Blackout. Featuring Magpul’s advanced Generation M3 design and finished in the popular Magpul Coyote Tan (MCT) color, this magazine delivers exceptional reliability, durability, and feeding performance with both supersonic and subsonic .300 BLK ammunition. Identified by UPC 840815122654, the MAG800MCT is one of the most trusted magazines among .300 Blackout shooters.
Built with Magpul’s proven constant-curve internal geometry and anti-tilt follower, the PMAG 30 AR 300 B GEN M3 ensures smooth, consistent feeding even when fully loaded. The magazine is optimized for the unique ballistic requirements of the .300 Blackout cartridge, making it an excellent choice for suppressed shooting, home defense, hunting, and tactical applications.
Key Features of the Magpul PMAG 30 AR 300 B GEN M3 MCT
Optimized for .300 Blackout
Specifically designed for reliable feeding of both supersonic and subsonic .300 BLK ammunition, including heavy subsonic loads commonly used with suppressors.
Gen M3 Construction
Features Magpul’s latest Generation M3 improvements including an enhanced anti-tilt follower, stronger floorplate, and improved impact resistance over previous generations.
Magpul Coyote Tan Finish
Finished in the popular MCT (Magpul Coyote Tan) color for a low-visibility, tactical appearance that matches many modern rifle builds and gear setups.
Why Choose the Magpul PMAG 30 AR 300 B GEN M3 MCT?
When searching for a dependable 30-round magazine for .300 Blackout rifles, the Magpul PMAG 30 AR 300 B GEN M3 MCT (MAG800MCT) is a top choice among serious shooters. Its specialized internal geometry and robust polymer construction provide superior performance compared to standard 5.56 magazines used with .300 BLK. The Gen M3 updates deliver enhanced durability and feeding reliability, making it ideal for both suppressed and unsuppressed .300 Blackout platforms.
- 30-round capacity optimized for .300 Blackout
- Compatible with standard AR-15 lower receivers
- Constant-curve internal geometry for reliable feeding
- Anti-tilt, self-lubricating follower
- Stainless steel spring for long-term durability
- Impact and crush resistant polymer construction
- Textured grip panels for positive handling
- Easy to disassemble for maintenance
- Magpul Coyote Tan (MCT) color for tactical aesthetics
- Designed for both supersonic and subsonic ammunition
Technical Specifications – Magpul PMAG 30 AR 300 B GEN M3
| Specification | Details |
|---|
| Manufacturer | Magpul Industries |
| Model | PMAG 30 AR 300 B GEN M3 |
| Part Number | MAG800MCT |
| UPC | 840815122654 |
| Caliber | .300 Blackout (300 BLK / 300 AAC) |
| Capacity | 30 Rounds |
| Color | Magpul Coyote Tan (MCT) |
| Material | Impact-resistant polymer |
| Compatibility | AR-15 / M4 platforms in .300 BLK |
| Follower | Anti-tilt, self-lubricating |
Order the Magpul PMAG 30 AR 300 B GEN M3 MCT (MAG800MCT / UPC 840815122654) today and experience reliable feeding in a durable, .300 Blackout-optimized magazine.
The Magpul PMAG 30 AR 300 B GEN M3 MCT combines Magpul’s industry-leading polymer technology with specialized engineering for the .300 Blackout cartridge. Whether you’re running a suppressed SBR, a home defense rifle, or a precision .300 BLK build, this magazine delivers consistent performance, excellent durability, and a professional tactical appearance in Magpul Coyote Tan.
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