New Thread old one is dead.

[smith18]

There is another cool cartridge between the 338 Lupua Mag and the 50 BMG called the Xtreme Machining 338. Here is a table that shows the differences...

http://www.xtrememachining.biz/products_338xtreme.html

I read about it in my XW's American Rifleman magazine which keeps getting delivered to my house...

http://www.americanrifleman.org/ArticlePage.aspx?id=1727&cid=3

BTW... No one should be wasting these spendy rounds on zombies. Just wait for a zombie to get close enough and use a cheapy shotgun.