6mm arc

Just understand that 16-20" is plenty for this little cartridge. I made the mistake of initially going 26" because why not? Well, because the velocities weren't much of an improvement over 20" in the end.
 
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Bartlein, if you can wait for it. I had a Noveske 14.5" that didn't group well. I currently have 18" and 20" Proofs that shoot 1/2" five-round groups at 100 yards, but their barrel extensions were undersized and had to be bedded into the upper receiver.

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Looking for a 20" too. JP wants $1000 for a barrel which is criminal. Cradock is sold out and Noveske with a bolt is like $636 but hearing not so great things. Might have to just settle with a proof.
Agreed! I don't know how JP justifies doubling the price of their 223 barrel for the 6 ARC. Seeing how well their 223 barrels shoot, I'd love to grab a 6 ARC from them.
 
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