Hey guys. I can't find a section the this would fit in as it is not on the AR platforum but it is a magazine question. I am looking for a .338 win mag magazine that hold over 3 rounds. It would be for a savage in a XLR chassis.
UPDATE: I found out you can use 300 win mag a 338 lupa mag  CIP magazines for the 338 win mag  in the XLR chassis. Im not sure if that changes with different chassis.

These guys might know:
Precision Rifle section in Armory

Now, to waste your time because I have no idea what I'm talking about

Does your rifle use the factory Savage mag, or an AICS mag (or something else)?
If it takes an AICS mag, could you try using a 300 win magazine available at Midway for $88/5rd and $125/10rd. ?

Thanks for your response.
I think I can use 300 win mag or even 338 lupa CIP