Originally Posted by stalkingbear
I would suggest you modify your mossberg plinkster to the marlin 25 round mags as they are redily available.
What would need to be modified to make fit and feed correctly? If there's a mil difference in the size of the mag or in-feed than the round will not chamber correctly (I could be talking out my r tear end here since I only have experience with the M16A2, M204, M249, and M60. I've gone back to to the old method of duct taping two magazines together giving myself a 20 round mag that's easy to carry with a quck change time. Do that with 5 sets of mas and you got 200 rounds.