and prefer? I have 3 of the 6.5 TCA barrels and of necessety all have open sights. The 3 barrels i have are the 22lr, a 32 h&r and a 9mm. Have yet to shoot the 9 since I just traded it (traded a 45/70 16.1 barrel just kicked too much for me). I like to shoot the other two through a lot.