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300 WSM DBM's

ejd049

Gunny Sergeant
Full Member
Minuteman
Aug 5, 2007
772
0
Ft Worth, Texas
Whats are some good DBM's for a 300 WSM platform? Is it possible to run this cartridge in a 308 AI mag without feeding issues?


Thanks
 
Re: 300 WSM DBM's

I don't know about any of the others, but Seekins makes a specific DBM for WSM calibers:

http://www.seekinsprecision.com/index.ph...rt&Itemid=2

I'm using a standard SA Seekins DBM in a 7 WSM with 162 A-Max and I have plenty of mag space, but if I was doing it over I'd definitely get the WSM system.
 
Re: 300 WSM DBM's

Yes and you have two options. One run it in a long action and use 300wm magazines and seat your projectiles a bit longer than you could in a short action.

Or use a short action and tweak the magazine lips to fit the WSM. Brownells sells a lip forming tool that includes the measurments for 20 or so different rounds.
 
Re: 300 WSM DBM's

Use a regular AICS type DBM with Alpha WSM mags. You might have to modify the action slightly to do this.