Hi guys I am new and I want to say hi and WOW. There is so much good info on here I have been looking for about a month and still haven't got it all. I have a new S12 on layaway and I hope to get it out this week but I can't find that many mags in stock and am wondering if these are anygood http://www.keepshooting.com/saiga-12-gauge-5rd-magazine.html . I figure that these are a copy of the factory five rounder but i am wondering, do these work. I have 4 AGP 10 round mags in the e-store in the cart but really would like a five or eight round mag. Any thoughts would be good and if i overlo