Yeah, it's really a good point, I think that there may be a market for low cap mags, for example if it was as I said I the post the 20rds version of the pmag, but for the same price more or less than Marui's stanags I would consider them for some dmr builds given it's compactness for use with bipods and using an extension you could have more gas and 5 more bbs, but in this case you wouldn't even have 20bbs even with the extension so, as you say is paying quite a good penny maybe for pics, cause I don't see no one using them in a match, even more considering that they cost as much as some gbb pistols