Constant debate on this The FR 8 is designed with NATO ammo in mind. 308 can be a little hotter as the case thickness is difference and can produce pressure differences. Probably will not hurt a bolt action rifle. The rifle is strong enough to handle it. The FR 7 on the other hand I would not recommend it.

Here's mine:

https://www.milsurps.com/images/impo...07/FR-8001.jpg

https://www.milsurps.com/images/impo...07/FR-8005.jpg

Full thread https://www.milsurps.com/showthread.php?t=39355