Originally Posted by
Harter
I can't convince anyone the same thing happens with a 45 Colts from a carbine between 78-82 yd with that stupid 1-32" twist and SWCs . In my case it was a very consistent 30° departure at 10:00 . Crazy I was shooting golf balls out to 75 yd then I pulled over on steel Ram that was like 80# and 36×24" and my impact was 15 ft left and 8' up .
Making it even more frustrating the same bullet in a 45 ACP carbine made 3/10 standing off hand hits on a 12×18" plate at 150 with an 1100 fps MV ..... The only difference was the 1-16 twist and the Colts going about 1240 MV . The MV may have been at fault some too as the 1100 may not have been Supersonic at 5500 ft elevation and 80° . The 255 RN "cowboy" held to 1050MV doesn't do it , nor the SWC loaded in like .