It would be nice if they did come with the Picatinny rail, but I'm not holding my breath. I wonder if this is the case with all the DRS shipments to all vendors or just UA? Although I'd probably end up removing it so I could use the larger capacity Crown/Dreamline mags I already have. I'm more interested in seeing the results of swapping the large PRO plenum with the stock DRS Plenum and see what performance gains that gives!
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