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[Review] CMMG Banshee MK47: Part AR, Part AK

I go to loads of trade shows and shoot other people’s guns and ammo. It’s not a bad life.

For a few years now, when a show opens, the first table I head to is CMMG.

CMMG Banshee MK47 Beast
Throwing flames with the MK47.

Why?

Two words: THE BEAST

The Beast is CMMG’s MK47 with over 100,000 rounds put through it.

Wolf on Wall Street
100K rounds? Gotta pump those numbers up.

It’s loud. It’s full-auto. And it’s…well, a beast.

And I’ve done my fair share to put The Beast through its paces.

I’ve dreamed of my own MK47 forever. John Moses Browning finally smiled upon me….and I GOT ONE.

1425
at Palmetto State Armory

Prices accurate at time of writing

Prices accurate at time of writing

CMMG offers a handful of different MK47 models.

Full-size Resolute rifles with different feature packages. And the Banshee pistol with a few different packages.

I got the Banshee 300, the top-shelf short boi.

CMMG Banshee MK47
Loud noises ahead…

CMMG offers 10 different Cerakote colors for you to choose from, but I got a custom Vietnam-era Tiger Stripe Camo.

Yep, I’m a diva.

Mariah Diva
Me looking at all the regular rifles.

I’ve had it out to the range a bunch, and I’m going to tell you all you need to know about the MK47.

Spoiler alert: it rocks.

For the full video review, check out my channel or just watch the video below.

Table of Contents

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What is the Banshee MK47?

You can already see that something is amiss with this one.

It looks like an AR but uses an AK mag.

Yep, it’s a mutant.

CMMG Banshee MK47 Front End
Hmm, something ain’t quite right here.

At its heart lies a pair of billet aluminum AR receivers. But it comes chambered in 7.62x39mm and takes regular AK mags — doggone cool.

The rest is pure AR, so customize till your heart is content or your wallet runs dry.

CMMG’s MK47 takes standard AR triggers, uses an AR buffer tube and charging handle. It also adopts a CMMG M-LOK handguard.

Money
Buying be like

Using a Magpul grip and an AR-style safety selector, the MK47 sports an 8-inch barrel with a CMMG DefCan3 flash hider.

Again, CMMG has a huge line of MK47s. But the one I got is the top-shelf 300 series Banshee.

MSRP at the time of writing is $1,799.

Let’s Talk Extras & Accessories

It ships with a standard CMMG box and a mag and comes as a flat top.

So, all you need to add for range day is more mags and an optic.

Rather than irons or a scope, we recommend throwing on a red dot.

CMMG Banshee MK47 Optic
Iron? Glass? Nope. We love red dots!

I paired my MK47 with the US Optics TSR 1X but if you are in the market for something different, check out some of our other favorite red dots here.

Of course, you also need some ammo. Yeah, we know, it’s 2021, and we don’t really want to talk about ammo right now.

230
at Amazon

Prices accurate at time of writing

Prices accurate at time of writing

Let’s Hit the Range

For a lot of our reviews, we get to the range a couple of times and usually do a few hundred rounds as a test.

But for this gun, I’ve now ran a metric boatload of ammo down the pipe —thousands of rounds.

CMMG Banshee MK47 Shooting
Cue dramatic shot.

I’ve used every brand of AK mag I could get my hands on. And I’ve shot everything from fancy pants brass ammo to cheap Russian steel.

Bottom line: this gun runs. It feeds, fires, ejects, and asks for more.

There’s a reason that CMMG’s own MK47 has fired 100K+ rounds and it keeps going.

CMMG Banshee MK47 Action
C’mon…it’s just cool looking.

Also, let’s be real. It’s just fun to have something different at the range. Everyone loves it!

And a huge part of that love is the CMMG Radial Delayed Blowback system.

What in the name of Betty White is that?

Betty White

Well, just pull the trigger. When the big boom happens, the bolt carrier group pauses (delay), rotates just a little (radial), and then blows back to eject the shell and feed another.

That delay allows for more reliability, decreases felt recoil, and helps with reliability if you’re running suppressed.

Bottom line, the radial delayed blowback is what put CMMG on the map, and with good reason

The Nitty Gritty

I’m admittedly biased. I love this gun. And I love tiger stripes.

CMMG Banshee MK47 Flat
Tiger stripes: insert Carole Baskins reference here.

Again, the gun runs, and I love a gun that just works.

But there are still a couple of things you need to know.

First, the MK47 doesn’t lock back on empty.

Bang, bang, bang. Click. AK guys are used to the click. But for AR guys, it’ll take you a little to get used to.

Also, somewhere between 500 to 600 rounds, I broke the extractor. Having fun one minute, and adios cruel world the next.

CMMG Banshee MK47 Shooting
Did I momentarily break it? Yup. But CMMG pulled through.

CMMG has a lifetime warranty, so I gave them a holler. Thirty hours later, I was back up and running.

I assumed I broke the extractor because of all the Russian steel ammo I was running, so I asked CMMG if I should run more brass. They literally chuckled at me over the phone and told me to keep feeding it steel.

Also, with that short barrel, it’s loud…like extra loud. Small gun goes boom. 

By the Numbers

Reliability: 4.75/5

Other than the extractor, this gun runs like it stole something.

Ergonomics: 4/5

I like the oversized ambi-charging handle. But the ergos on this…nothing to be excited about.

Accuracy: 4/5

It’s an 8-inch barrel slinging 7.62. As long as you don’t try and take it out to distance, it’ll put rounds where you want.

CMMG Banshee MK47
Look at it. Just look at it. *Chef’s kiss*

Customization: 5/5

Infinitely more customizable than a regular 7.62. Have fun!

Value: 5/5

CMMGs are not cheap. But the MK47 is ready to rock on day one with premium features. No major upgrades needed, just add a red dot and get yourself to the range. 

1425
at Palmetto State Armory

Prices accurate at time of writing

Prices accurate at time of writing

Overall: 4.5/5

The MK47 is legendary. Take extra ammo with you cause everyone at the range will want to try it.

Conclusion

Point that magazine to the sky and load like a Russian. Then grab the charging handle and chamber a round like an American. The CMMG MK47 is a mutant of two worlds, and I love it.

CMMG Banshee MK47 Left Side
CMMG Banshee MK47

Built like a tank, the MK47 looks great, comes with a lifetime warranty, and it runs. What more could you ask for out of an AK-AR crossbreed?

If you wanna see this mutant in action, make sure you check out my video review below.

1425
at Palmetto State Armory

Prices accurate at time of writing

Prices accurate at time of writing

Have you tried the CMMG MK47? What are your thoughts? Let us know in the comments below. For even more CMMG in your life, check out our review on the CMMG Resolute 300 Upper (5.7x28mm) and CMMG Banshee (10mm).

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3 Leave a Reply

  • Bob

    My #1 concern: While the accessories are AR compatible the bolt/upper and lower sizing are proprietary to CMMG. If x39 is your bug-out round or if you're willing to support another platform just for x39 then this is the way to go (improved ergonomics, reliability, etc). For those of us wed to Stoner, an AR compatible upper (PSA, Windham), bommerang mags, and a bag full of bolts will have to do (apparently x39 is the ar15 bolt breaker from hell).

    May 15, 2021 2:27 am
  • sound awake

    i thought about getting something like this for a while then i watched the sales and put together a 10.5 ar pistol in 7.62x39 right before covid hit last year for just over $400: >bca complete upper $218 shipped >psa complete pistol lower with brace $195 shipped and transferred then i added: >black rifle arms enhanced firing pin $10 >4 c products mags $100 >holosun 402 2 moa red dot $100 >linear comp $35 >45 degree iron sights $25 >hand stop $25 >500 lumen streamlight with qd mount $75 >strike industries extended charging handle latch $20 >a utg sling a 15 degree pistol grip and some mlok and pic rail covers $50 >soft case $30 >what the heck...bought 4 more mags $100 so for about a grand i got a complete system thats 100 percent ar except the bolt and firing pin and the mags and so far it runs like a sewing machine no failures to anything except miss what im shooting at and its 10 inch steel capable at 300 yards with tula

    March 8, 2021 10:29 am
  • Paul

    Are you allowing comments?

    March 8, 2021 1:00 pm