OP
imarangemaster
Member
Update: I have tried different ammo in the 6906, including Hornady Critical defense, Speer Gold Dot 124 +P, Federal 124 grain HST, and the old Illinois State Police load (Federal 9BPLE) +P+ 115 grain. The 9BPLE was still the best group in rapid fire. The 6906 really seems to love them.