Problem solved.
7 round Gen 3 Pmag from 10 rounder recipe:
1/8 drill bit, cordless drill, 1/8 dia aluminum rivet correct length & 5 minutes, bam! done cost $0 with existing supplies.
https://www.dropbox.com/s/rdmihhqxzk25x39/2014-10-21 03.40.26.jpg?dl=0
Below is interior pic of rivet tail correct protrusion on rear of mag which is at top of pic.
https://www.dropbox.com/s/fvmk0hht8e1duvn/2014-10-21 03.41.59.jpg?dl=0
Note: you will either need to use flush rivet and carefully use larger drill or countersink hole a bit or file about 50% of the protrusion head off to clear mag well. Do not use protrusion head cherry max type rivets with lock rings in head as filing it down will cause ring & stem to fall out.
7 round Gen 3 Pmag from 10 rounder recipe:
1/8 drill bit, cordless drill, 1/8 dia aluminum rivet correct length & 5 minutes, bam! done cost $0 with existing supplies.
https://www.dropbox.com/s/rdmihhqxzk25x39/2014-10-21 03.40.26.jpg?dl=0
Below is interior pic of rivet tail correct protrusion on rear of mag which is at top of pic.
https://www.dropbox.com/s/fvmk0hht8e1duvn/2014-10-21 03.41.59.jpg?dl=0
Note: you will either need to use flush rivet and carefully use larger drill or countersink hole a bit or file about 50% of the protrusion head off to clear mag well. Do not use protrusion head cherry max type rivets with lock rings in head as filing it down will cause ring & stem to fall out.
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