"but with one of my aero’s the bolt doesn’t always lock back on the last mag. I don’t know if it’s the port door pressure or if it’s the Pdq has too much mass to overcome"
I think the problem is the combination of the two.
I've also looked into things like the Magpul BAD and the Troy. It looks like none are "ready for prime time" as they come from their respective vendors.
I've read of one guy who made his PDQ 100% by ginding away about half of the part that extends from the starboard side of the receiver, drastically cutting the weight and removing most of the arms material where it contacts the port door.
It seems that for $60 bucks, the vendor should make them this way to start with:
https://minivandoorgunner.blogspot.c...t-release.html
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