Hi guys, i'm new to the forum and i have a question.

I have an Enfield P17 Eddystone that has been bored out to a 300 win mag. When i bought it, it had been put into a different stock, and looked horrible, so i bought an original stock and trigger guard and put it back to normal. the problem is that i dont have a magazine box that will fit the larger cartridge. (it never had one when i bought it) does anyone know where i can buy one that will fit in the original stock? or does anyone know hown to modify the 30:06 magazine box to fit? thanks!