Good morning everyone, this is Travis with gun.deals. Today we are in this beautiful Florida spring morning, looking at a completely new animal new animal, the CMMG FOURSIX.
The CMMG FOURSIX is the world’s first 4.6x30millimeter pistol not rifle, although they make an SBR version if you want to take that route, this is the brace pistol variant.
The 4.6x30 is a cartridge, famously used in the M&P 7, which is a weapon used by Navy Seals, LAPD and other kind of elite special operations, it’s considered a PDW round, a personal defense weapon round, and as such it falls between a rifle and pistol caliber, which is kind of interesting for a little gun like this, and it has a lot of intrinsic benefits for little guns, especially for something this small, but also a few downsides, and we’re gonna talk about all of that, and we’re gonna dive into the CMMG FOURSIX.
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CMMG BANSHEE MK4 4.6X30 8 EXT ARMOR BLK
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CMMG PE46A962FMB Banshee MK4 4.6x30mm Semi Automatic Handgun
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CMMG BANSHEE 300 MK4 4.6x30MM 8" 40RD BURNT BRONZE <<
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Before we dive deep into the CMMG FOURSIX let’s talk about 4.6x30 millimeter round, so it falls between a rifle and a pistol cartridge, and here you can see it compared to a normal .223 cartridge. As you can see it’s much smaller, but it keeps that same Spitzer bullet design. That little pointy time, pointy style bullet, that’s a Spitzer, so when it hits the body it tumbles, and as it tumbles it does more damage as it goes through the body.
It does meet the FBI minimum standard for ballistic gel and penetration, so it will go deep enough to strike something vital, and that tumbling action is a little bit different than we’re used to from such a small cartridge, but it’s highly effective.
The benefits of our pistol round is that it penetrates deeper and easier tumbles, normally with a pistol we rely on expansion from a jacketed hollow-point projectile.
The benefit over a rifle round is that you can use a very, very short barrel without a ton of concussion. You’re also not getting a ton of recoil from this design.
Another benefit of the 4.6x30 is the fact that it has a much longer range than a pistol cartridge. Out to about 150 yards it’s fairly easy to hit whatever you’re aiming at. It’s a very flat shooting cartridge.
It doesn’t offer the same rifle range or rifle power, but it does allow you as a smaller, lighter configuration.
This gun uses an 8-inch barrel and you could get .300 Blackout with something similar, and that is a possibility, but ultimately this weapon is gonna offer you a lot less recoil.
The combination of the 4.6 round and CMMG’s muzzle brake makes this recoil more like a rimfire than an actual rifle, so it’s very controllable and it’s very lightweight, in fact, you can even control it with a single arm fairly easy, including aiming it, as design with a pistol brace.
For a weapon this small, with this low recoil that allows you to get really, really fast follow-up shots on target. You can really, you know, blister through a couple double taps with the gun barely moving, and since the gun’s barely moving you can literally shoot your target to the ground, and if someone’s breaking into your home, you have a weapon that’s controllable, it’s very small that works very well indoors and it’s also easy to wheel with a single hand.
In a home defense situation you may be using the other hand to call the police, to usher children, to close and lock doors, you still want to be able to maintain control or your weapon, and you can with CMMG FOURSIX.
So, what are we getting with the CMMG FOURSIX?
First and foremost, we are getting a direct impingement AR-15, it uses the same style of operation as the normal AR-15. It is not a blowback operated gun, which results in very low recoil and very low muzzle rise. We have an 8-inch barrel and then we have a total length of a little bit over 26 inches with the brace fully extended, that is the fastback brace.
This brace essentially allows you to pull it to a pre-measured setting and use a set screw in the buffer tube to establish that setting, so it pulls to the same length you want it to every time. Mine’s maxed out, I’m a big guy, that’s all I have to do.
We get an ambidextrous safety, we get a nice charging handle, and we get pretty standard AR features. One of the things that really stands out to me was the magazine design, it is proprietary but is uses a mil-spec magwell, so this magazine’s dimensions are the same as an AR-15’s, but scaled down a bit.
Benefit to that is if you want to use your own lower and order just an upper and a bolt-carrier group from Banshee or from CMMG you can, and you can use your CMMG FOURSIX mags and normal AR-15 mag pouches, so you don’t have to upgrade your pouches at all.
So, it’s a very thought out design. As you see here I have the Holosun aim setting on it and we have a simple M-LOK handguard, so it’s not too different from most standard AR-15’s, and if you use an AR-15 you’ll graduate to the FOURSIX without any issues.
Let’s talk about what it’s like to shoot the CMMG FOURSIX. If I had just to use one word it would be controllable. This weapon is very little recoil and very little muzzle rise, it’s controllable for any size shooter to handle, including even kids, I mean, it’s a little bit more than a 22, but not much. I’d put it in that rimfire category, maybe something like a semi-auto 22 Magnum, that’s what the recoil feels like, it’s very limited and very nice.
Accuracy wise, this think is a tack driver. If you combined accuracy with ease of control what you get is a weapon that you can shoot fast and you can shoot it straight, so dishing out long strings of fire, double taps, failure to stop drills, very simple to do with this weapon.
On top of that, the ergonomics are great, magazine drops free, it’s a big magazine, so reloads are easy, you get 40 rounds of 4.6x30-millimeter in this mag. That’s a lot of ammo for what’s essentially a magazine the size of a 30-round AR-15 mag.
Home defense ranges might be measured in, you know, 10 to 15 yards, but the CMMG FOURSIX can go a lot farther than that. I’ve taken it out to 150 yards and rang still consistently, even just using this red dot. I think honestly a magnified optic would be best, if you’re gonna take this weapon outside of the home. It could be one hack of a coyote hunter, small game killer, things like that. Like I said, that big benefit of the 4.6 cartridge is you get a little more range, making this your 2022’s M1 carbine, if you will.
In terms of reliability I did not have any issues and I’ve just been using some training ammo. 4.6x30 millimeter is not cheap ammo and it can be tougher to find, it’s a lot like 57, but it’s cheaper than 57, so it doesn’t need the lacquer coat. That 57 needs to cycle, so that makes a little bit cheaper, also makes it possible to reload in the future.
Because the CMMG FOURSIX is the first civilian, well the first civilian available weapon I know in 4.6 ammo, it’s still kind of pricey, it’s still hard to get, but as the popularity of this round increases in this handgun, I’m sure the price will be driven down, especially if competition enters the ring.
With that being said, if the weapon did have a malfunction, it clears just like any AR.
Takes no time at all!
It’s very functional weapon and very, very useful.
So, I really like what CMMG is doing, they seem to be taking the AR-15 and putting every single caliber under the sun in it.
This is not only the first AR 4.6, but as I mentioned, I’m pretty sure this is the first civilian available weapon in 4.6x30 and I think that’s exciting. More calibers we have available to us the better. This caliber to me is just very interesting, it’s such a weird in between pistol and rifle cartridge, but it’s also super handy, especially if you’re not needing that size and girth of a rifle, you want something light, handy, but still very lethal, then the 4.6 has you covered.
