Serbu Blowback 22LR – World’s Fastest?

The Q22SMG2 .22 LR caliber submachine gun...World s Fastest .22 LR SMG    YouTube

2,000 rounds per minute out of a single barrel. Let’s let that sink in…. 2000 RPM!

Serbu posted this video a while back showcasing their “Q22SMG2”, a simple blow-back design that feeds from Ruger magazines. Its a design that is reminiscent of the old grease guns.

At the very least, this design proves the Ruger mags will feed anything or at least feed the gun fast enough.

 



Nathan S.

One of TFB’s resident Jarheads, Nathan now works within the firearms industry. A consecutive Marine rifle and pistol expert, he enjoys local 3-gun, NFA, gunsmithing, MSR’s, & high-speed gear. Nathan has traveled to over 30 countries working with US DoD & foreign MoDs.

Nathan can be reached at Nathan.S@TheFirearmBlog.com

The above post is my opinion and does not reflect the views of any company or organization.


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  • iksnilol

    I sorta wouldn’t mind one, belt fed would be even better.

    Though even in its current form it would be useful. Especially if chambered in something like .22 Mag using PMR-30 magazines.

    • Vitsaus

      I can only imagine the tedium of trying to rig up belts of .22LR. Hours of boredom and discomfort for a few seconds of thrill. Sounds like dating.

      • iksnilol

        Then you aren’t doing it right, both things.

        • Vitsaus

          In both things my policy is to get in, unload, and get back home as soon as possible for clean up.

          • Tassiebush

            I once heard a woman use the description “wombat” for men using that approach. I asked her to clarify. “Well he eats, roots and leaves!” Australian usage of the term “root” is very different to elsewhere. It’s also a verb…

          • MR

            In the US, we’d call that a Panda. Eats Shoots and Leaves.

          • Tassiebush

            Haha awesome! I like it!

          • MR

            Ah, we call that a “Union Machinist”.

        • Tassiebush

          you both deserved and got an upvote! I also have a fetish for the idea of belt fed rimfires. I recall reading DeLisle explored the idea of belt fed .22 machineguns with his very effective integral silencers.

  • Scott Tuttle

    now we know why there’s a 22 shortage

  • J.T.

    This is from 2011…

  • Dracon1201

    The Strike One can kiss Mark’s butt!

  • Hudson

    I don’t know what the limit is, but as I recall in some of the early chain gun experiments they got them going so fast that they were getting 2 and 3 projectiles in the barrel at the same time which caused the barrels to rupture.

  • Brandon Davis

    Not unlike the AM-180

  • Cymond

    Yup, the Lakeside Machine Vindicator. If you hadn’t posted this, I was going to post one of the LM-7 uppers.

  • Jeff Heeszel

    I think the most amazing thing was they were using Remington Golden bullets!

    • J S

      Be careful. You don’t want to step where the coffee flew out of my nose..:)

  • roguetechie

    The Russian S-N machine gun was substantially faster, and it was a single barrel firearm. Several SHKAS and super SHKAS variants quite possibly also have it beat.

  • Simon

    Someone check my maths but I figure 10 rounds in a third of a second to be 1800rpm?

  • Hank Seiter

    Uh … interesting. Next.

  • maodeedee

    Do they make a semi-auto version? It looks like a really cool gun. I’d like one 22 magnum that fed from Keltec PMR 30 round mags..

  • jcitizen

    I fired an American 180 M2 Full Auto Machine gun back in the ’70s that you could barely tell the separation of fire between rounds. It was like holding onto a fire hose with the 275 round drum. I’d be believing it shot faster than that “grease gun”. When you pulled the trigger it was kind of a “ROMP” sound it was shooting so fast. My memory is fuzzy, but I seem to remember it was above 1100 rounds per minute. It sure was fun – back when 22 was dirt cheap! *sigh*