From CMMG

CMMG has taken portability to a whole new level with the introduction of the DISSENT™ – a new line of buffer-less AR15 pistols that utilize the company’s patent-pending Compact Action. At the time of release, the DISSENT will be available in 5.56x45mm, .300BLK and 5.7x28mm, with each model sporting a 6.5-inch free-floated barrel and complemented with a 5.5-inch M-LOK Handguard, making the DISSENT the shortest, most stowable Personal Defense Weapon that CMMG has built to date.

At the heart of the DISSENT is CMMG’s patent-pending Compact Action, which makes it possible to operate the firearm without the receiver extension and buffer assembly installed. The Compact Action uses a set of dual guide rods and springs contained within the upper receiver to cycle the action and is compatible with both Direct Impingement and CMMG’s patented Radial Delayed Blowback™ operating systems.

The DISSENT features a forward non-reciprocating side charger, giving the shooter the ability to charge the weapon while staying focused down range and on target. For the left-handed shooters, a right-side configured side charger is available for purchase separately.

Outfitted with CMMG ZEROED parts and accessories and donning AR15 modularity, the CMMG DISSENT boasts superior firepower in a small familiar package and will initially be offered in three different calibers with .300BLK and 5.56x45mm utilizing a Direct Impingement operating system, while the 5.7x28mm version utilizes CMMG’s patented Radial Delayed Blowback operating system. Both .300BLK and 5.56x45mm will accept and ship with their respective 30-round Magpul PMAGS and the 5.7x28mm will accept and ship with its 32-round CMMG 5.7x28mm Gen II Conversion Magazine. All DISSENT firearms will ship with two magazines.

The rear of the DISSENT is outfitted with a 1913 Picatinny Rail, allowing users to attach a brace or a stock (all NFA rules apply). The firearm weighs in at 4.6lbs, with an overall length of 14.7” (folding stock/brace not included) giving you a compact package that can be easily maneuvered and deployed within seconds. The trigger on the DISSENT is the TriggerTech AR-D 2-Stage Trigger, which has been collaboratively designed to ensure optimal performance.

For more information about the CMMG DISSENT, please visit cmmg.com/DISSENT

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28 COMMENTS

    • $2k for complete.

      Couldn’t find an upper only (supposed to be compatible with milspec) lower
      price.

    • if you have to ask…
      not a fan of rifle cal’s in pistols. i guess blk doesn’t waste much here, and the fn round is pistol based.
      tok, 10mm or carbine would be neat.

      • Seems similar to the Sig Rattler just DI instead of piston. But basically putting the springs in the upper like every other non-AR rifle, AR-18/180, FAL, SCAR, G3, G36, Bren, ACR etc.

        Except it looks more like an AR.

        Just a couple years ago 10″ was about as short as you wanted in a 5.56 AR, now seeing 5.5, 6.5″.

        • Piston vs gas tube (needs to be longer). I was disappointed to learn that .357 sig really does not do well in blowback (while .40 is ok but may be the upper limit) where case separations are possible and is better served in a gas tube action. All of which means no affordable/readily available fun options for pistol caliber carbines in NY that are not 9 or .40 or revolver rounds. So retirement/move/wild court decisions will be where I start getting into that field of arms.

        • .357 sig really does not do well in blowback

          Blowback isn’t optimal for anything above .380, but 7.62×25 is a similar-pressure bottleneck cartridge that worked just fine in millions of blowbacks.

      • I want something like this in 9mm or .45. My biggest want in one of these compact self defense weapons is to weigh less than 5 pound.

        Another year and a half and I can leave CA for Utah.

        • Matador Arms Montgo 9 & R&D Precision PW9 might work for you. Both are bufferless 9mm uppers that are compatible with standard AR lower or 9mm AR lowers.

        • Remember when CMMG was just another “me too” middling tier AR manufacturer? Until suddenly they started innovating like mad & weren’t.

          Aaand 8″ – 12″ in BO when?

        • There a wall on the Kommifornia Eastern border? Checkpoints? Immigration control?

          Apparently none to the South. Perhaps drive into Baja then sneak across into NM the North to Utah. Easy peasy and you’re receive a butt load of snap cards, 10x demtard voter registrations in 3 states, an Obumer phone, 5lb of pot and a free plane ride.

  2. It would be stupid to buy this oversized, overweight, overpriced “pistol” chambered in 5.7×28 when it’s so much bulkier, heavier, and even more expensive than the FN 5.7 pistol, and has a barrel only 6.5 inches long, which is only an inch and a half longer than the barrel of the FN 5.7 pistol.
    The only reason I can see for anyone buying this bloated POS instead of a real FN 5.7 pistol or Ruger 5.7 pistol is to look tacticool or “gangsta” by having the biggest “pistol” in the hood.
    See https://www.thetruthaboutguns.com/fn-upgrades-the-five-seven-pistol-with-an-optics-ready-slide-better-ergonomics/

    • Ballistics By The Inch doesn’t contain info on the 5.7×28, but if we look at the closest cartridge available – the .22WMR – an increase in barrel length from 5″ to just 6″ results in a muzzle velocity of +10%. Every bit of increased energy is welcome.

      Also, the FN57 has a factory mag capacity of 20 rds. This item featured has 32-rounders. I count that as an advantage. FWIW, I’ve shot the FN57 and am not a fan…not in regards to the cartridge, but the gun itself. The grip is bulky for a handgun, and when I used an aftermarket extended mag with 30 rds, it was just absurd. Translate all that into a PCC like this item, and it becomes more reasonable.

      The 5.7×28 is too boutique a cartridge for my tastes, but for anyone who wants to add it to their collection, I’d say this PCC would be my top choice for it.

  3. Interesting
    I’ll be watching to see how it does and what other calibers it comes in

  4. As others have written, it was an odd choice to offer 5.7 rather than 9mm or 10mm. Not only are 5.7 pistols already available, but so are PDWs that can use reliable, low-profile 50rd mags (one of the cartridge’s main selling points, IMHO). 5.7 is still mild in blowbacks; where radial-delayed blowback really shines is in PCCs that are cheaper than competing delayed actions and superior to blowbacks – in every aspect except the buffer tube.

    • The radial delayed PCC in the Banshee line all use a ‘normal’ sized BCG that presumably weighs about as much as a DI 5.56 BCG, along with a normal carbine buffer. They also offer additional tuning weights that can be inserted into the back of the bolt carrier.

      These Dissent pistols have what amounts to a shortened bcg that will lack the weight of the normal Banshee and don’t have the buffer either.

      I’m guessing this lack of mass is why calibers like 9mm or .45 aren’t being offered. They probably haven’t been able to get them to run reliably yet.

      • I understand that gas operation doesn’t depend on BCG mass to the same extent as plain or even delayed blowback, but it’s still important for reliability. I assume they worked the additional mass into the top part of the carrier. There’s certainly room up there even if the current components are lighter.

  7. 5.56 out of a 6.5” barrel is basically going to be an extremely, ungodly, insanely loud .22 magnum with a flash visible from orbit. I’m not sure why you’d ever do that.

  8. I checked out Paula, the model lusted above, don’t bother. She does not have an FN pistol, a Dissent, a Rattler or Ruger 57 in 5.7 x28, and has no featured firearms at all!

  9. 5.56/300blk….2k for a DI rifle with no buffer tube.

    So same thing as a BRN180, except DI and $500 more when both are done.

    Makes sense in today’s world of men are women and women are men.

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