I talked to a Canadian parts manufacture that is a bit on the lazy side about this AIA mag scenario. He was thinking about making some AIA mag's maybe with the chrome followers but unfortunately he doesn't think there would be that much demand.
Oh ya Different did they say what the hold up was? Is it the extreme heat caused buy a 100 rounds of 308 going off or was it the design?
I am reasonable sure that if he brought 20rnd AIA mags to market, they would sell like hotcakes. Just make sure that they have "AIA ENFIELD - BOLT ACTION" stamped on the side in big letters. Ideally they would be in the 30-40 dollar range, but I would pay more than that. I would just buy fewer.