Home CMMG CMMG MK57 Guard Pistol Review! Brand New 5.7x28mm Firearm!

CMMG MK57 Guard Pistol Review! Brand New 5.7x28mm Firearm!

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Taking a deep dive into the CMMG Banshee/Guard MK57 chambered in 5.7x28mm. We run various 5.7x28mm loads through the gun, to check function, velocity, accuracy, and how 5.7x28mm compares in ballistics gel.

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Camera(s): Canon Rebel T6S, Canon HF R500, iPhone 7
Edited with: Adobe Premiere Elements 14
Audio: Zoom H5
Music: Provided by YouTube Creation Tools.

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24 COMMENTS

  1. I'm always day dreaming about ways to make lead free handgun ammo. Why don't we use exotic metals like bismuth titanium or work hardened copper with a bimetal tmj or a work hardened copper penetrator backed by a titanium or bismuth core there's so many metals not listed by the atf tho they would be expensive to use. I understand that work hardened metals are brittle but the can be worked around.

  2. I need.
    I Want!
    GIMMEE!!
    Thanks for the review. Now I need a rich relative to write me intp their will and, well, you know.
    Sure can't afford one myself much less the can or optic.
    Guess im'a gonna stick with my AR Pistol, but thanks again.

  3. For the life of me, I CANT UNDERSTAND WHY CMMG would ship a nice rifle with POS MAG like a PROMAG magazine. The 5.7 x28 is a vicious round. Don’t listen to internet armchair warriors. The 5.7 produces wicked wounds as I have seen them first hand in the ER. Definitely sufficient to do the job.

  4. The mag issue is a sticking point on this. Seems like it's ill conceived to bet your products success on a crappy magazine. Or on a great one that is difficult to find in numbers. I'd rather just go with the ps90.

  5. Perfect, buffman is just the guy to help me out.
    I saw this gun on other channels in the last couple of hours, and am curious about the ballistic comparison to a light grain 5.56 from a comparable barrel.

    Love your channel, respect your work on here, and would love to know what you think?

  6. Awesome that you got ahold of one too!!!! One of the first reviews out, awesome stuff as always. Glad CMMG gave you some love. Never owned anything from cmmg but they do look very nice. Only problem is the mags with this one I would say, otherwise a very cool platform.

  7. Great review.  I am sharing.  This looks like a wonderful addition to the 5.7 offerings.  I would like to see someone offer a 5.7 rifle with a heavy barrel and optimized for a scope for varmints.  I don't know if this might extend the range but only having the hardware will allow us to answer the range and accuracy limitations of this cartridge.

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