What lower are you using?
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I went with Aero Precision.
AR prices are gettin stoopid right now...
same lower i have , cant find any parts to buy atm though
wow , mines milled
People are retarded. I have 20 pmags on backorder, even though I ordered them when they were "in stock". I think Im going to sell 4 of my gen 3 pmags for a retarded price so I can buy more later on.