Jump to content
Brian Enos's Forums... Maku mozo!

CMMG 300 upper build or buy complete rifle?


Recommended Posts

As someone who has recently built a CMMG Radial Delayed Blowback upper with a mil spec lower and CMMG 9 ARC mags, I can say that the most recent CMMG Mag conversions/inserts are very reliable.  So state willing, you can have 30-rd AR PMags the feed 9mm and still save quite a bit on a quality mil spec AR lower.  I switch that upper with a 5.56 upper with the same lower, even same buffer system.  So it's a nice modular thing to have.

 

But for competition, you have more options for extended capacity with Glock mags for example.  40- even 50-round single magazines, whereas with the AR Mags so far there's only 30.  So in that respect a dedicated rifle that takes Glock mags may be a better choice, but it will probably cost more because you really should use the CMMG lower for Glock mags.  Plus if you're shooting a match where you will have to change mags, it might be less bulky to have multiple Glock 9mm mags on your belt than AR ones. 

Edited by MoRivera
Link to comment

Join the conversation

You can post now and register later. If you have an account, sign in now to post with your account.

Guest
Reply to this topic...

×   Pasted as rich text.   Paste as plain text instead

  Only 75 emoji are allowed.

×   Your link has been automatically embedded.   Display as a link instead

×   Your previous content has been restored.   Clear editor

×   You cannot paste images directly. Upload or insert images from URL.

×
×
  • Create New...