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Kestrel · June 17, 2012, 11:35 AM

I have an older 870 Wingmaster with a vent rib barrel. It is a fixed choke and I was looking at the barrel to see what choke it was. It is marked, "CB". What does this mean?

Thanks!

June 17, 2012, 11:35 AM	#1
Kestrel Senior Member Join Date: October 28, 2001 Posts: 363	Rem 870 Barrel Marking "CB" I have an older 870 Wingmaster with a vent rib barrel. It is a fixed choke and I was looking at the barrel to see what choke it was. It is marked, "CB". What does this mean? Thanks!