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.300 WM magazine question

If it's a single stack mag, you might just be able to modify the feed lips a bit to get it to work. If it's a double stack, which I doubt since I haven't seen one for a bolt action, then it probably wouldn't work without attaching inserts to make the width of the mag smaller since the 338 is fatter. I'm running my 300 win's at 3.610 and they fit into my AICS mag. Might want to consider that if they work with the stiller action.
 
I've a Wyatt's in mine, (single stack 5's an 10's), will allow past 3.7 very easy feeding, but there is a short curve to loading them quickly. Mine have never failed, sense I received the correct mags for the bottom metal, from Wyatt's. Midway thought they were all that, and mixed up mags an bottom metal to many me included. Called Wyatt's and they corrected everything in less than 72 hrs. Had I known about Wyatts before I did HS/P in the .308's I would not have had to go threw that C/F either. Wyatt's are drop in. Good luck with what ever you end up with.
 
You can run the 300WM CIP mags in that Badger. Not sure if WM will work well in a LM mag. The feed lips on the LM mag are shorter than on a WM mag

Sonic you mention CIP length .300 Magazines, Are these manufactured by Badger or another company as i have not seen them before?
Could you please advise me as to who makes them and possibly give me part numbers.

Regards Sam.