I've made some measurements and I've found that the only significant piece I need to cut out of my stock is a horizontal cylindrical support that sits perpendicular to the length of the stock (it connects the two halves together). This also happens to be the support that the end of the battery sits against when inserted into the stock. I'm not sure if cutting this piece out with significantly affect the structural integrity of the stock. Does anyone have experience with this?
If modifying this stock isn't possible, I think the King Arms M16 stock has enough space to support a 9.6v large battery.
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