br barrel

[c.g]

what is the most popular rimfire benchrest barrel?

 

[TangoTwo]

Apparently one with buttons as apposed to suspenders.

 

[Don Stith]

The one that just won the last match for the owner

 

[Bill B]

I think you're not asking the right question. Many barrels mfgs make barrels that can and do win. Find a gunsmith that you can trust and use what he has the best luck with or suggests. That's my best advice.