OK, I'll play. These have been posted here before.
Browning Buckmark rifle
Winchester Model 61 pump (This was my mom's)
Marlin Model 60SS
Ruger 10-22
GSG-5
Tec-22
Coinboy, try tactical inc.com. Their mags are adjustable and are very reliable in my 10/22's.
What kinda mag you got in the Tec-22? Does it work with the mag? I can't seem to get a mag that works well in mine except for the factory ruger 10/22 mags.