I've heard that you can modify a magazine (such as an M4 Emag) to hold more rounds than it was originally designed to hold. My EMags currently hold 75 rounds but I'm hoping to add to that due to the fact that I'll be playing in the field a lot. Could anybody knowledgeable in this field please give me some advice as to what parts are needed/budget for this type of project? Thanks. To mods- I looked around to find a similar thread, but nothing was this specific. If I missed one please delete this thread after telling me about the proper thread. Thanks.