Home CMMG CMMG 9MM AR 15 Conversion Kit and Magazine Adapter

CMMG 9MM AR 15 Conversion Kit and Magazine Adapter

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Survival On Purpose
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CMMG 9MM AR 15 Conversion Kit and Magazine Adapter

The folks at CMMG have a new 9mm magazine adapter that allows you to use your standard AR15 lower along with one of their radial delayed blowback 9 mm uppers to shoot 9mm ammo in your lower with no modification to the firearm. In this video, we take an initial look at how it works and fire a few rounds in preparation for some longer-term testing.

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29 COMMENTS

  14. Ok, I have a question? So the last time I was at Knob creek gun shoot I was wanting to buy an upper for a 9mm ar 15 build. I came across a guy selling completed uppers for a good price. So I asked him if he had any 9mm and he did so I bought it. When I got home to try my 9mm BCG with it wouldn't work because it needs a normal looking one like the 556 just as you were showing in the video. So that was an easy fix and I got a different BCG and now it's all good. So back to the question now I want to build another one but the guy that I bought it from wasn't there for me to ask but now my problem is I can't find a 9mm barrel that will fight the BCG like in the video. It is wanting the dedicated 9mm BCG and I don't want to run that kind because I do not want to run a Glock mag. So where can I find a barrel that will fit this and for a good price?

  18. Great video I've been thinking it's time to build a 9mm pistol for the house. I'm currently using ar15 magazines with 458 SOCOM upper. No bullshit required, just load and fire. I don't have to shoot many intruders in communist Wa. but, now that we're releasing everyone from prison I can see that I may have to stop giving warning shots do to the increase in the cost of bullets.

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