P Popapi Well-Known Member Joined May 3, 2006 Messages 1,051 Location Oklahoma City Ok Apr 22, 2017 #1 Have any of you guys tried this slick lil rascal here!?
B Bullet bumper Well-Known Member Joined May 20, 2009 Messages 1,045 Apr 22, 2017 #2 It might be right at one single velocity in the whole trajectory but an average of all the velocity boundaries BC's would be a lesser figure and far more accurate .
It might be right at one single velocity in the whole trajectory but an average of all the velocity boundaries BC's would be a lesser figure and far more accurate .
Georgiashooter Well-Known Member Joined Apr 7, 2017 Messages 179 Location South Georgia Apr 23, 2017 #3 Here is something from hornady on their BC's on the ELD's. Ballistic Coefficient - Hornady Manufacturing, Inc
Here is something from hornady on their BC's on the ELD's. Ballistic Coefficient - Hornady Manufacturing, Inc
eshorebwhntr Well-Known Member Joined Apr 11, 2009 Messages 791 Location MD Apr 24, 2017 #4 I looked into it a little while back. I believe that you need a 7 or 7.5 twist to get those numbers.
B Bullet bumper Well-Known Member Joined May 20, 2009 Messages 1,045 Apr 24, 2017 #5 You can't state twist rates until you know the velocity or state a velocity . @2700 fps it's stable in a 1 in 9
You can't state twist rates until you know the velocity or state a velocity . @2700 fps it's stable in a 1 in 9
C curtiscd Well-Known Member Joined Oct 10, 2016 Messages 165 Nov 19, 2017 #6 Has anyone loaded these up with good results?
Creedmoor shooter Well-Known Member Joined Oct 21, 2013 Messages 3,445 Location New hampshire Nov 19, 2017 #7 I wish so badly I could shoot the 180. But my 7mm rem mag is only a 9.5 twist and even at 3000 fps at my elevation I'm below a 1.5 sg
I wish so badly I could shoot the 180. But my 7mm rem mag is only a 9.5 twist and even at 3000 fps at my elevation I'm below a 1.5 sg