JMOHO...
I would strip the mag and using fine emery dress the inside, especially where the detent is as it looks just about there is where you have your problem.
ATB
http://lbp-forum.boards.net/
RR
Hi my k22 whisper came with 2 lots of springs. 1 black set of 2 on the pistol and 1 steel colour set of 2 in a bag. IF you want to use sub sonic ammo in the pistol do need to change them over as at the moment it will not cycle subs. Thanks Paul.