I have a bolt action 260 with PTG bottom metal. I have Alpha mags but am not happy with them. The sides deflect out and are too tight. There is no interference up to 6 rounds. At 7 there is slight interference, at 8 there is significant interference, at 9 it is difficult to insert the mag and at 10 is might near impossible to insert the mag. What other mags will work WELL in this bottom metal? The PTG is supposed to be the same as the Badger.