There has been a good few airsoft magazines which all stopped production. Why? I don't know, but I guess bad sales. If this is for profit, good luck, you'll need it. And if it isn't, when then I think it's a great idea!
Yeah my idea was to put it on the app store and sell the basic app for a small amount, and then pay like $1.99-$3.99 depending on the size and content of the issue. Or sell the app for $4.99-$10.00 and just update it every time an article gets finished.
I do not do airsoft, but if I did I would probably pay that for it.
Biggest problem is all the reviews for airsoft gun art basically the same. There is only so much strategy or what not. Most mod related stuff is on the web. Forums kinda killed that cottage industry.
But if done right I bet it would work. You would have to step up modding to a new level, mod things in new of better ways. get people to want to see what you say and look very month for their model to show up.
I did find an online one that had some cool mods requiring some drilling and what not. recently. These are not it but found these.