6mm Competition Match by MCR

D

Dgd6mm

Well-Known Member
Joined
Jul 14, 2008
Messages
1,246
can u convert a 243 chamber to CM without cutting it back?



I am not sure about that. If not you could always take .250" of and it would definitely clean up and pick up the threads.
 
CONatureBoy

CONatureBoy

Well-Known Member
Joined
May 19, 2021
Messages
144
Location
Colorado
yes this all sounds accurate to me,but most of the information on the internet and forums claim just the opposite.i've always been a .243 win fan myself,but have been reading that the .243 has a shorter barrel life than most others.i myself have not found this to be true.especially since i've started shooting heavier bullets and slower powders from mine.
The 243 Winchester has a short neck. My understanding is that has something to do with it.
 

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