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Gunsmithing Badger M4 versus M5 inlet size

kill_goose

Sergeant
Full Member
Minuteman
May 8, 2010
313
0
44
MT
Well I did a search on here, and all I can find is they're not the same dimensions. Not very specific.

So, saying I want to switch from a M5 to the M4, how much, if any inletting work will be required? Which ones the bigger of the two?

And yes, I emailed Badger, havent heard back.