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AR15.COM
2/2/2025 9:55:54 AM EDT
Waiting for WPA AR45 lowers to come back in stock, I see on the website this is recommended for DI 45, will it work for 10mm DI aswell?
2/25/2025 4:42:08 PM EDT
[#1]
If you don't want to wait you can go with a CMMG lower, but from what I understand the feed geometry is different when going from .45 to 10mm or the other way around. I went with a CMMG 10mm Banshee lower to work with Rudy's 10mm DI upper and it functions flawlessly.
2/27/2025 7:18:33 AM EDT
[#2]
Quote History
Originally Posted By tawoodii:
If you don't want to wait you can go with a CMMG lower, but from what I understand the feed geometry is different when going from .45 to 10mm or the other way around. I went with a CMMG 10mm Banshee lower to work with Rudy's 10mm DI upper and it functions flawlessly.
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That is correct.  I asked CMMG about it and was told the angle is different for the 10mm.
That said, I run an old MGI Hydra modular lower using unmodified Grease Gun mags.  MGI has been re-born as Hydra Weaponry and has re-released their GG magwell.
I have the setup and run it in full auto in .45 but I don't own any 10mm.
I do have a buddy that runs both .45 and 10mm full auto with this GG magwell setup.


Only bummer is no LRBHO....but as documented on my website below
https://c3junkie.com/?page_id=841
I did this:


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