ive ordered 20 of these over the last few months and they all work flawlessly in my XCR-L
i have not used couplers at all no, but yep they are same as those mags
Now, that really depends on how you use the coupler now, doesn't it. Say, you're shooting prone, do you really want to stick your open magazine face into the dirt & snow?
Considering the purpose of the coupler, is to couple 2 magazines together, and the dust cover doesn't prevent this, how can it defeat the purpose of the coupler?
Just use a large condom.![]()