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Discussion Starter · #1 · (Edited)
The 32 Rd MPI magazines fit and run (poorly) in the conversion kit already, and the factory 25 Rd AUG magazines work perfect but are impossible to find.

Do I need to polish the internals? Adjust the spring tension? Has anyone successfully tuned these?


Edit 1: 06may22
Discovered the seating depth of the MPI magazines is about 1.5mm less than the 9mm AUG magazine.

Seating depth is determined by the locking plate on the rear of the magazine, I'll see if I can find someone who can remove and replace the plate at the correct height.

The chrome mag is the AUG, the powder coated is the MPI.
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