Description
Picture this: you want the familiar handling of an AR platform but chambered in a classic, hard-hitting pistol caliber without the premium price tag of a boutique PCC. That’s the exact niche the CMMG MkG-45 T fills. It’s a purpose-built carbine that delivers .45 ACP performance in a reliable, no-fuss package that won’t break the bank.
The CMMG MkG-45 T, 45 ACP, 16″ Barrel, 13rd, 6-Position Stock, A2 Pistol Grip, Black is a radial-delay blowback carbine chambered in .45 ACP. It features a 16-inch barrel for enhanced velocity, a 13-round magazine, and a mil-spec compatible AR-15 lower that accepts standard grips and stocks. This rifle is designed for reliable, affordable performance with a familiar manual of arms.
Let’s talk about what you’re really getting for your money. The heart of this system is CMMG’s proven radial-delay blowback operating mechanism. Here’s the thing—it’s not just a simple blowback. This system uses a unique bolt design that delays opening, which significantly softens felt recoil and reduces bolt velocity compared to a direct blowback system. The result? A much smoother shooting experience that makes follow-up shots quicker and more controlled, all while maintaining the simple reliability you need. At a price point of $1060.69, this engineering offers a tangible advantage over many competitors in the same category.
Practicality is key with this build. The 16-inch barrel isn’t just for looks; it gives the .45 ACP round a useful velocity boost over a handgun barrel, which can translate to better terminal performance and a flatter trajectory at distance. The included 13-round magazine provides ample capacity for range sessions or defensive use. Best of all, the lower receiver is mil-spec compatible. This means the included A2 pistol grip and 6-position collapsible stock can be swapped out with any standard AR-15 parts you likely already have in your toolbox—no gunsmithing required. Want to add a Magpul MOE grip or a B5 Systems stock? Go right ahead.
Weighing in at approximately 6.5 lbs unloaded, the MkG-45 T handles like a standard AR-15, so training muscle memory transfers directly. The controls are all where you expect them to be. Look, for a budget-conscious shooter who already owns an AR-15, the value here is huge. You get a new caliber option without having to learn a new platform, and you can use many of the same accessories. It’s a smart way to expand your capabilities without starting from scratch.
| Specification | Detail |
|---|---|
| Caliber | .45 ACP |
| Barrel Length | 16 Inches |
| Magazine Capacity | 13 Rounds |
| Stock | 6-Position Collapsible |
| Grip | Standard A2 Pistol Grip |
| Operating System | Radial-Delay Blowback |
Pros & Cons
The pros are clear: you get CMMG’s advanced radial-delay system for reduced recoil at a very competitive price. The mil-spec lower offers immense customization potential, and the 16-inch barrel maximizes the .45 ACP’s potential. It’s a drop-in ready platform for AR enthusiasts. The tradeoffs? The 13-round magazine capacity is standard for .45 ACP but less than many 9mm PCCs. Also, as a dedicated .45 ACP platform, it doesn’t share magazines with more common handguns like Glock-style 9mm PCCs might.
Who This Rifle Is For
This carbine is ideal for the practical shooter who values .45 ACP’s performance and wants a dependable, soft-shooting carbine for range use, training, or home defense. It’s perfect for the AR owner looking to add a pistol-caliber carbine without venturing into proprietary, expensive systems. If you appreciate a straightforward design that works out of the box but leaves room for personal tweaks, this is a strong contender.
Frequently Asked Questions
Q: What magazines does this CMMG MkG-45 T use?
A: This model ships with CMMG’s proprietary 13-round .45 ACP magazines. The lower receiver is designed specifically for these magazines and is not compatible with other pistol magazine types like Glock or UMP mags.
Q: Is the upper receiver compatible with a standard AR-15 lower?
A: No, it is not. The MkG-45 T uses a dedicated upper and lower receiver set due to the radial-delay blowback bolt and .45 ACP chambering. The lower is, however, mil-spec for grip, stock, and trigger components.
Q: What is the main advantage of the radial-delay blowback system?
A: Compared to a simple direct blowback system, the radial-delay mechanism reduces felt recoil and bolt speed. This leads to a smoother shooting experience, less wear on components, and potentially improved accuracy. It’s a significant performance upgrade for a modest increase in cost.
Ready to add this versatile .45 ACP carbine to your collection? This CMMG MkG-45 T is available at firearms-missouri.com for Missouri residents and nationwide. Remember, an FFL transfer is required for firearm purchases. Check our site for current availability and to start the process.




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