Accurate No. 7 works well in my Super .38. Also a .357 SIG 229 I briefly had before I traded it in for a 'man's pistol' (Gummint Model, of course!)
Haven't tried it in my Delta Gold Cup 10mm. Glad to meet another COLT 1911XX pistoleer! The 10mm shoots about like my S&W 41 Magnum (I formerly had)... Think it was a Model 57... Regards
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Yankee Doodle