Originally Posted by
Big Uncle
Even with the taper of the 6mm? The diameter of the .243 is .454" at the shoulder and the 6mm is .429" - but the 6mm's shoulder is .165" longer from the base. I would think it would be very close.
Interesting proposition.
Actually, the more I think about it, I'm not sure since it's a single shot. If it was a bolt gun then you could just set it back and rechamber, but I'm not sure how a single shot would work...
He could make it into a 243 Ackley and have a winner
