See part 2 of this sr25 guide.
http://www.airsoftforum.com/board/SR...e-t245076.html
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However, G&P's magwell and magazines are wider. A&K copied them so same with A&K.
The standard SR-25 mags from G&P and A&K will fit in the CA, G&G & E1 however it'll be a tight fit.
The 7.62 LR20 PMAG, which was designed for the G&P, will NOT fit in CA, G&G or E1 without sanding down the magazines.
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