If it's a '93, the gas port on the left side of the reciever ring will appear to have been double drilled (think figure 8 on it's side). Also some '93's have a square area on the bottom of the bolt face. This was an attempt at a bolt guide rail. I don't think the bolts with the square face are any slicker than the round face.

'93's are almost exclusively from Ovideo (maybe all, but I've learned not to state absolutes... get's me in trouble ... I'm not as smart as I think I am).

91's, 92's, 93's, 94's, 95's and 96's cock on closing. Lock time is a littleslower too, but I still like 'em.

Lot's of 98's in 7 Mauser too. I have a 35 Chilean. Groups under MOA at 100 yards from a bench rest. (It is scoped).

Favorite rig (today) is an 8mm. (8X56). I reload for it. Got 'er pumped up pretty tight... she sure brings pee!