Description
The CMMG Banshee 300, Mk47, 7.62 x 39mm, Midnight Bronze 7.62×39 is a premium, short-barreled rifle (SBR) or pistol platform chambered in the hard-hitting 7.62x39mm cartridge. It’s built on CMMG’s unique Mk47 receiver set, which is specifically engineered to reliably run the AK round from proprietary, curved 20 or 30-round magazines. This isn’t an AR-15 with an adapter—it’s a purpose-built system for the 7.62×39 cartridge, offering AR ergonomics with robust, reliable performance in a compact, maneuverable package. The Midnight Bronze finish is a standout, giving it a distinct, high-end look that’s more than just another black gun.
Key Features
- Mk47 Proprietary Receiver Set: Designed from the ground up for the 7.62x39mm cartridge, not a modified AR-15. This is the key to its reliability.
- Radial Delayed Blowback Operation (RDB): CMMG’s patented system. It dramatically reduces felt recoil and bolt velocity compared to direct blowback, making this a surprisingly soft-shooting gun for its caliber.
- 8″ Barrel: The “300” in the name refers to the 8-inch barrel length. It keeps the platform incredibly compact without completely sacrificing ballistic performance from the 7.62×39 round.
- Midnight Bronze Cerakote Finish: A durable, attractive finish that sets it apart from the sea of black and FDE firearms. It’s tough, corrosion-resistant, and looks fantastic.
- Proprietary CMMG Duramag-Style Magazines: Uses dedicated, curved 7.62×39 magazines designed for optimal feeding. They’re rock-solid and a big part of the system’s reliability story.
Specifications & Details
| Caliber | 7.62x39mm |
|---|---|
| Barrel Length | 8 inches |
| Overall Length (Stock Collapsed) | Approx. 22.5 inches |
| Weight (Unloaded) | Approx. 5.5 lbs |
| Operation | Radial Delayed Blowback |
| Magazine Capacity | 20 or 30 Rounds (Included) |
I’ve put a few hundred rounds of mixed steel and brass case ammo through a Banshee in this configuration, and the RDB system really is the star. The recoil impulse is more of a stout push than a sharp snap—think closer to a 5.56 AR than a typical AK pistol. The fit and finish are what you expect from CMMG: tight, with no slop. At a price of $1691.95, you’re paying for that engineered reliability and smooth operation. It’s a premium tool.
Who This Rifle Is For
This is for the shooter who wants the terminal ballistics of 7.62×39 in a compact, modern platform that’s more refined than a standard AK pistol. It’s ideal for a vehicle or home defense role where its short overall length is a major advantage, but you still want serious stopping power. It’s also a fantastic choice for the enthusiast who appreciates clever engineering and wants a soft-shooting, high-quality firearm that stands out. If you’re tired of finicky AR-47 builds, this is the solution. It’s drop-in ready and ships to Missouri and compliant US states.
Pros & Cons
Pros: The radial delayed blowback system is a genuine game-softener, making rapid follow-up shots easy. Reliability is top-tier with the dedicated Mk47 system and mags. The 8″ barrel makes it incredibly handy. The Midnight Bronze finish is both durable and distinctive. It uses a standard AR-15 pistol grip and is compatible with many aftermarket AR triggers and safety selectors, so customization is straightforward.
Cons: The price point is a significant investment. You’re locked into CMMG’s proprietary magazines, which are excellent but are your only option. While the RDB system reduces recoil, it’s still a stout cartridge in a light platform—it’s not a .22. Ammunition choice, as with any 7.62×39 firearm, can influence reliability, though this platform is less picky than most.
Frequently Asked Questions
Q: Will this rifle run cheap steel case ammo?
A: In my experience, yes, it handles both steel and brass case reliably. The radial delayed blowback system and the dedicated magazine geometry are designed for the 7.62×39 cartridge profile, which includes commonly available steel case. As always, test your chosen defense or duty ammo thoroughly.
Q: Can I use standard AK-47 magazines with an adapter?
A: No, and you wouldn’t want to. The Mk47 receiver and bolt are designed specifically for CMMG’s Duramag-style magazines. This dedicated design is a primary reason for the platform’s excellent reliability. Using an adapter on a standard lower defeats the purpose of buying this engineered system.
Q: Is this considered a pistol or a short-barreled rifle (SBR)?
A: As sold from CMMG, it is typically configured as a pistol with a stabilizing brace (subject to current regulations). It can also be purchased as a registered SBR. It is the buyer’s responsibility to understand and comply with all federal, state, and local laws regarding firearm configuration, which is why an FFL transfer required for firearm purchases is a must.
Look, if you want a compact, powerful firearm that works without tinkering and offers a shooting experience that’s genuinely different—and better—than most in its class, the CMMG Banshee 300 Mk47 deserves a close look. It’s a purpose-built tool that executes its mission flawlessly. See this Midnight Bronze model available at firearms-missouri.com for Missouri residents and nationwide.
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