Originally Posted by larson1122
You could also take a look at the Colt 6721. They are available with the 1/9 twist rate if that is what you would prefer for the lighter bullets. I own one and it has been great for me so far. The difference between a 6721 and the 6920 is the slightly heavier HBAR barrel on the 6721. Since you mention this would mainly be used as a range gun, a few extra ounces isn't a huge deal.
What is the HBAR barrel?
As far as I can tell, with barrels in general, Colt seems to have the 16" as 1-7" and the 20" as 1-9". Wonder why that is.