Saturday, November 1, 2025

randcrap: 3dp baseplate for aluminum USGI AR15 magazine

I was given some aluminum USGI magazines from the armorer that were missing baseplates for some reason.  I didn't want to throw them away but I didn't want to spend 5 dollars (including shipping) on individual baseplates for whats just a $4 magazine, so I whipped this up.  As far as I know, there is not a 3dp AR15 mag baseplate anywhere online for a regular old aluminum magazine because I tried to find one before making this.

I should have made a lip near the front so it couldn't be pushed further into the magwell, but I didnt want to waste any more time on it and it's not really needed.

Two versions, thin and thick.  Might need a flat head screw driver.  Thin can mostly be installed without tools.  The thicker one might need a little bit of persuasion with some needle nose pliers.

Download Links:
Thingiverse
ODC



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