Originally Posted by ogallala_1
Can I build a 7mm stw on a 700 remington 300 win mag is the action the same length? Any help is greatly appreciated.
Yes, a long 700 has a 3.70" mag box regardless of cartridge.......no matter if it left the factory as a 7x57 or a 375 H&H it has a 3.70" mag box. I have a 270, two STW's, two 7mm Rem Mags, a 7mm Weatherby and a 300 Win Mag on 700's...all are the same.
All magnum bolt faces are made for the .532" belted case...there are minor differences in head size for different magnum cartridges but they all work with the standard belted magnum .532" bolt face..including the short mags.