Re: Rem 700 action( bolt size) Maybe this will help ya: Long actions with a bolt face .DIA of .470 +/- 220 Swift, 6mm Rem, 240 Weatherby Mag, 257 Roberts, 25-06 Rem, 257 Weatherby , 6.5x55 Swedish, 270 Win, 7x57 Mauser, 7x64 Brenneke, 280 Rem, 30/06 Springfield, 8mm Mauser, 338/06 A Square...