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I reviewed the original Mk47 Mutant and I loved it. Like most new firearms it had one or two things that could use a little polish, but overall if you’re looking for a good AR-15 that shoots cheap and reliable 7.62×39 ammunition the Mk47 is well worth a look. CMMG announced this week that they are expanding the Mk47 line to include shorter barrels and California-compliant versions, which is good. The only thing I’m complaining about is that they still don’t have the upper available as a standalone SKU. So because the receiver set is proprietary, you either need to buy the factory SBR and wait forever for ATF clearance or you buy the pistol and have a nearly useless range toy for a few months. Still, progress and all that. Presser after the fold . . .

CMMG’s Mk47 MUTANT has been the most talked-about rifle of 2015. Built around the 7.62x39mm caliber, the MUTANT features a shortened AR-10-sized bolt carrier group that is paired with a unique upper and lower receiver to minimize weight and increase ergonomics. One of the primary benefits of the Mk47 design is its ability to accept existing AK magazines. After thorough review and testing by the foremost rifle experts in the industry, the Mk47 MUTANT has earned a solid reputation as the ultimate mid-sized AR rifle.

Today, CMMG has announced the addition of an AR pistol and a short-barreled rifle (See NFA Regulations) version of the MUTANT, as well as the availability of California compliant versions of the three original MUTANT rifles (Mk47 T, Mk47 AKM and Mk47 AKM2).

The new Mk47 K Pistol and Mk47 K SBR utilize many of the same features as the full-sized rifles, including the ability to accept AK magazines and drums, a shortened AR-10-sized bolt and CMMG’s SV Brake. Each firearm has a CMMG single stage trigger, a 10-inch medium taper barrel and a CMMG RKM9 KeyMod™ hand guard.

Complete specifications on the new Mk47 K Pistol and SBR models are below:
CMMG Mk47 K Pistol:

Caliber: 7.62x39mm
Barrel: 10″ medium taper profile
Muzzle: CMMG SV Brake
Hand Guard: CMMG RKM9 KeyMod
Upper Receiver: 7075-T6
Lower Receiver: 7075-T6
Trigger: CMMG Single Stage
Furniture: MOE® Pistol Grip
Weight: 6 pounds (unloaded)
Length: 26.5 inches
Magazine: Magpul PMAG® 30 AK/AKM MOE®
MSRP: $1,499.95

CMMG Mk47 K SBR:
Caliber: 7.62x39mm

Barrel: 10″ medium taper profile
Muzzle: CMMG SV Brake
Hand Guard: CMMG RKM9 KeyMod
Upper Receiver: 7075-T6
Lower Receiver: 7075-T6
Trigger: CMMG Single Stage
Furniture: Magpul CTR® Stock, MOE® Pistol Grip
Weight: 6.7 pounds (unloaded)
Length: 27.5 inches (stock collapsed)
Magazine: Magpul PMAG® 30 AK/AKM MOE®
MSRP: $1,629.95

CMMG has also added additional models of its original Mk47 line-up that will comply with California’s 10-round magazine capacity and bullet-button standards. While the original design and magazine capacities for these models will remain the same for other states, the move will broaden the availability of CMMG’s new rifles to residents of California. Aside from including a 10-round VEPR magazine (instead of a 30-rounder) and bullet-button on the magazine release, these California-legal Mk47s are identical in feature to the original rifles.

CMMG Mk47 MUTANT T CA:
Caliber: 7.62x39mm
Barrel: 16.1″ medium taper profile
Muzzle: A2 compensator
Hand Guard: CMMG RKM15 KeyMod
Upper Receiver: 7075-T6
Lower Receiver: 7075-T6
Trigger: CMMG Single Stage
Furniture: A4 6-Position Collapsible Stock, A2 Pistol Grip
Weight: 7 pounds (unloaded)
Length: 32.75 inches (stock collapsed)
Magazine: 10-round VEPR magazine
MSRP: $1,549.95

CMMG Mk47 MUTANT AKM CA:
Caliber: 7.62x39mm
Barrel: 16.1″ medium taper profile
Muzzle: CMMG SV Brake
Hand Guard: CMMG RKM15 KeyMod
Upper Receiver: 7075-T6
Lower Receiver: 7075-T6
Trigger: CMMG Single Stage
Furniture: Magpul CTR® Stock, MOE® Pistol Grip
Weight: 7.2 pounds (unloaded)
Length: 33.5 inches (stock collapsed)
Magazine: 10-round VEPR magazine
MSRP: $1,699.95

CMMG Mk47 MUTANT AKM2 CA:
Caliber: 7.62x39mm
Barrel: 16.1″ medium taper profile
Muzzle: CMMG SV Brake
Hand Guard: CMMG RKM15 KeyMod
Upper Receiver: 7075-T6
Lower Receiver: 7075-T6
Trigger: Geissele SSA® Two-Stage Trigger
Furniture: Magpul CTR® Stock, MOE® Pistol Grip
Weight: 7.2 pounds (unloaded)
Length: 33.5 inches (stock collapsed)
Magazine: 10-round VEPR magazine
MSRP: $1,899.95

All of these new models are currently in production and are available at your local CMMG dealer.

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15 COMMENTS

  1. Barrel is too short for my preference but I would definitely like to shoot one , probably will have a chance to in 2016 , looks like the stuff a lot of my buddies end up buying . I will definitely read more about it soon enough .

  2. Too rich for my blood. I built an x39 M4 for $499. Works great, goes bang every time, very accurate. It would be very hard for me to justify an additional $1000 and not be able to use the lower on any other upper.

    Mags are much cheaper than the VEPRs as well.

    But that’s me.

    • I’m getting ready to start my first AR build soon, and I’m looking at 7.62×39 as my first upper. I’ll be spending a little more than $499, but I’m building to my specs with the parts I want, and I’ll still be able to use my lower with any other upper I want to throw on it. I see that as a fair tradeoff for having to buy special magazines.

      • This sounds intriguing … who makes the “special magazines” and approximately how much do they cost? And is your build going to use a gas piston or direct impingement? If direct impingement, what are your thoughts/plans for the excessive fouling inherent with inexpensive Eastern European and Russian ammunition?

        I apologize for all the questions … I really want a rifle in 7.62 x 39mm but I haven’t found a design that I like.

        • Don’t apologize, those are all questions I have and am looking into. To start with, I’m planning on DI, but I don’t tend to fire more than a couple hundred rounds a session and am borderline OCD about cleaning after (my dad’s habits, then the military’s). I’m looking into piston options for later, but I’m looking at piston options for all the uppers I might want now or later. It’s going to be a learning experience all around, but hopefully a (mostly) smooth one.

          C Products makes (made?) the mag I’ve seen most endorsed, around $17 when in stock. AR-Stoner tends to be a close second, Midway has those for $18 right now. Cheaper than my Glock, even before floorplates.

        • Thank you knightofbob. In my mind, $17 to $18 for a 30 round magazine is fine since Magpul AR-15 magazines are almost the same price. Even if you purchase 10 magazines and pay a $3 “premium” if you will, that is a $30 expense. You would save that after shooting about 250 rounds of 7.62 x 39mm ammunition.

          I still want a gas piston rifle. That should seriously reduce how frequently you have to clean the rifle in order for it to continue to be reliable. While frequent cleaning isn’t the end of the world, it is nice to have the option and know that your rifle will reliably put rounds on target (especially if society goes sideways).

  3. I’ll keep my eye out for reviews on the shortie version. I’m on the fence about the benefit of x39 out of an AR vs a good AK right now. Are the ergos/less weight really worth shooting x39 out of a DGI platform? What effect does filthy x39 surplus ammo have on a DGI system? AK is a known quantity to me. This is not… yet. And at that price, there are definitely other options… Hmmmm….

      • I’m looking for the same thing. A Piston AR platform, x39, takes AK mags – and is not just a range toy. Even if you take price out of the equation, I haven’t seen what I’m looking for yet. I have some serious hesitation about shooting filthy x39 ammo out of a DGI platform. ARAK 21 is the closest thing yet, but takes those stupid frankenmags (and is CRAZY expensive). Still hard to beat a SLR or SGL at 1k. Stupid reliable. Can run over the thing with a damn truck and leave it sitting in a mud puddle over night and it will still go bang every time.

  4. This is probably great, but isn’t 300 blk the real answer to the sbr .30 caliber question? X39 is great and cheap but I think I would stick to 300 black/5.56 AR15 platforms

  5. Having An upper only SKU won’t do you much good unless you have a lower designed for 7.62×39. I don’t think a standard AR lower will accept 7.62 x 39 magazines.

  6. This is great and all … so when is someone going to make a gas piston pseudo AR type rifle in 7.62 x 39mm that costs closer to $600, shoots 2 moa, and takes AK-47 magazines?

    It seems to me like that rifle would be almost as reliable as an AK-47 and substantially more accurate than an AK-47. It would certainly be more reliable and much CLEANER than an AR-15.

    I would love to purchase such a rifle. More reliable and much cleaner than an AR-15 — and much less expensive to shoot and only slightly less accurate.

    • Yeah, this is basically what I’d be looking for as well – and I’d even be willing to go up to $1200 – IF it took AK mags. While the ARAK-21 in x39 looks pretty cool, it is freaking WAY expensive and only takes those lousy frankenmags. As for the Mk47, I just can’t see running filthy x39 out of a DGI as being a real advantage over AK, or a worthy trade off for a little better ergos and slight weight reduction. Not like they were able to build in a bolt hold open or anything ‘game-changing’ like that. At this point, I’ll just deal with the extra 8 ounces and a right side charging handle and KNOW that it’s going to go bang every time, and put the remaining $1000.00 into ammo.

  7. If they took advantage of the MK47 bolt and made a 6.5 Grendel model, I would be tempted to buy one at a reasonable price. The price of the MK47 coupled with two previous bad experiences with CMMG quality control and customer service make me pass on this.

  8. Recently, the company enlarged the Mutant line with the introduction of more compact models. In addition to its three original models, CMMG is now also offering the Mk47 Mutant as an AR pistol and short-barreled rifle.

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