I had a pack of these before with my Echo 1 Soc 16 and they SUCKED (This was back in late winter)
I just got the shipment in today, and these feed FLAWLESSLY in my CYMA M14.
King Arms must have stepped it up, or I got lucky!
*I am extremely happy with these as King Arms seems to have stepped up the performance of these magazines. Looks I couldn't care less about with these*
Have stains from machining lube in various places, except for 1 mag?
Not the greatest plastic, may break
Tight Fit (Pro and Con because some may like it, some won't, but I do)
Rating: [5 of 5 Stars!]