P90 magazine shell and floorplate reference pieces
grabcad
I picked up a 10rd P90 magazine and started measuring it. The dimensions are pretty much all +/-.005" because I measured this with a set of 12" dial calipers that I got for $50 on Amazon. There are two parts that need to be put together. The floor plate is good to go, but the magazine shell is completely solid, so if you want to rip one apart, measure it, and upload it, be my guest. I wasn't worried about the inside dimensions. Let me know what file types you want and I'll do my best.
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