Rechambering a barrel doesn’t change the bore/caliber from 6.8mm/.277 to 6mm/.243, you know that right?

So, more likely an original chamber in 6mm or a rechamber from 6 ARC to 6/6.8 SPC.

Originally Posted by Sniggly
This is interesting. Did they rechamber a 6.8 SPC barrel? Is it still an 11 twist barrel?

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