Question about Wildcat bullets--BCs

Derek M. · #1 03-16-2007, 09:52 AM

I know that the BC of a bullet is dependent on several factors, but given an average velocity, does anyone know the approximate BCs of Richard Grave's .277 hunting bullets? Specifically, the ULD RBBT style in 130, 140, 150, 160, and 169.5?

bailey1474 · #2 03-16-2007, 10:29 AM

I can tell you that Lerch and used .740 for the 169.5s and it was very close to our actual drops. Requires around 14-16 MOA @ 1000 yds out of our 270 AMs.

NYLES · #3 03-16-2007, 11:20 AM

I didnt do it! [img]/ubbthreads/images/graemlins/grin.gif[/img]

britz · #4 03-16-2007, 11:44 AM

Here is a website that will allow you to calculate the BC from conographing your shot two different known distances. I checked it just now against my Nosler number 4 manual and a couple of guns and it seems to work. http://www.eskimo.com/~jbm/calculations/bcv/bcv.html" good luck,
britz

1kstr · #5 03-16-2007, 11:55 AM

Noticed if you click on britz' link you will have to delete the "m" in front of http:

britz - maybe you could edit that quick.

1kstr

britz · #6 03-16-2007, 01:02 PM

gotter fixed, sorry about the mistake, maybe I should double check my work lol!

lerch · #7 03-16-2007, 03:09 PM

BJ is right, .740 on the 169.5 ULD worked perfect for me out to 1500yds or more.

one hell of a bullet!!!!!!!!!!!!!

steve