coefficient question 223 rem

[cademfjohnson]

hornady part number 80275

its a 50 rd box of FMJ boat tails, 55gr with a MV of 3240fps

im looking for the ballistic coefficient. i need wind charts. anyone help a newb out with this??? if anyone can find the BC or already knows it or some mathematical way of figuring it out, please share. can't find this product on hornady's page.

 

[cademfjohnson]

btw, this is obviously my first post, i like your forums very much and hope to learn much from experienced shooters. thanks in advance!

 

[John Kielly]

Welcome to the forum.

Ballistic Coefficient straight from the H's mouth:

http://www.hornady.com/store/22-Cal-.224-55-gr-FMJ-BT-with-cannelure/

If you trot thru this site, you'll be able to calculate ballistic tables for yourself.

http://www.jbmballistics.com/cgi-bin/jbmtraj_simp-5.0.cgi

One word of caution - Hornady's stated velocity mightn't be the same as you experience in your rifle. It could help to test that velocity over a chronograph.

John

 

[cademfjohnson]

thanks. perfect

 

[Cheechako]

The Hornady Handbook, Volume 2, is a 1000 page volume of ballistic tables and other information that should be in everyone's shooting library.

Ray

 

[cademfjohnson]

thanks i'll pick that up

 

[cademfjohnson]

http://cgi.ebay.com/ws/eBayISAPI.dl...f99315b&itemid=150414078830&ff4=263602_263622


is this the book in question?

 

[cademfjohnson]

what about this one? it looks more up to date, as i saw the other is from the 70's

http://www.amazon.com/Hornady-Reloading-Handbook-editor-Johnson/dp/B000PD6SGW

 

[Cheechako]

I have the 6th Edition, 2003. So, I can't say if the newer one is the same, or better.

Ray

 

[Stonewall]

A few usefull links on small arms ballistics:


http://www.jbmballistics.com/


http://www.appliedballisticsllc.com/index_files/Products.htm


Glenn