http://en.wikipedia.org/wiki/.308_WinchesterWhile the .308 Winchester and 7.62 × 51 mm cartridges are generally identical, there are minor differences in their case dimensions and chambering specifications that should be noted. The 7.62 × 51 mm is smaller by a few thousandths of an inch in some dimensions. This can lead to excessive chamber pressures if a .308 Winchester cartridge is fired in a 7.62 × 51 mm chamber. However, the opposite should present no problems.
Interesting, I hadn't seen that before. Something tells me it won't be released in early 2008 though.I was going by the FAQ on the Robarm webpage.
Has this been canceled?