Home CMMG Radial Delayed Blowback VS Roller Delayed Blowback!

Radial Delayed Blowback VS Roller Delayed Blowback!

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​@CMMG‘s Radial Delayed Blowback is an awesome PCC system, so how does it compare to the legendary Heckler and Koch’s Roller Delayed Blowback found in systems like the MP5? The high speed camera helps us find out.

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This test is for educational purposes and is specifically filmed and produced in accordance with YouTube’s community guidelines. Dustin is a certified, licensed, and insured firearms instructor. Everything was filmed on an OFFICIAL GUN RANGE and closed range with all the proper safety precautions. Do not attempt to duplicate anything yourself.

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42 COMMENTS

  1. Great video, especially the high speed! If I may suggest, could you shoot into a USPSA target and show us the groupings? I think both 30 round mag dumps and 4 round bursts would make for good comparisons when looking at full autos. Thanks!

  2. This guy has a excellent personality and I normally don't subscribe but today I am. Dustin is like a buddy everybody could relate to excellent videos keep em coming. 👍👍

  3. Thanks Top Shot Dustin, guess I’d like to have one of all the cool things in this video. Thanks again for fun and informative videos. Happy Holidays to the TOP SHOT FAMILY. 👍🎥🥇🥇🎄🎅🏻

  4. According to the ATF, eForms is going live December 2021!

    Here is what you need to know about ATF eForms:

    The New eForms will making owning an NFA item (suppressor, SBR) quicker and easier.
    Launch Date is estimated between the 15th and 28th of December.

  5. I enjoyed the video. Thanks for the fun content.

    I'm curious about what magazine and upper you used in the PSA. Is the magazine and upper all that would be needed to swap my basic 5.56 pistol to 9mm?

    Thanks

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