Forums
New posts
Search forums
What's new
Articles
Latest reviews
Author list
Classifieds
Log in
Register
What's new
Search
Search
Search titles and first posts only
Search titles only
By:
New posts
Search forums
Menu
Log in
Register
Install the app
Install
Forums
Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Introducing the Absolute Hammer
JavaScript is disabled. For a better experience, please enable JavaScript in your browser before proceeding.
You are using an out of date browser. It may not display this or other websites correctly.
You should upgrade or use an
alternative browser
.
Reply to thread
Message
<blockquote data-quote="Wedgy" data-source="post: 2012222" data-attributes="member: 64108"><p>It would seem that if you have your velocity, drops, and environmentals you you could calculate the BC but the variables will be what distance/velocity you are shooting and what effect your barrel has on the bullet. I go with the numbers that work at the farthest distance that I test, minimum 1,000 yards. Sierra list 3 different BC's for different velocities so it is not a static number, but and average that depends on how far and fast you are shooting. The whole point of the AH was to mitigate the effect of the bore on the bullet. I think as our chronos, Kestrals, and rangefinders get better the variation in BC from rifle to rifle is going to become more apparent.</p><p></p><p>This is for the SMK 230 grain .308</p><p>.800 @1880 fps and above .780 between 1600 and 1880 fps .740 @ 1600 and below</p></blockquote><p></p>
[QUOTE="Wedgy, post: 2012222, member: 64108"] It would seem that if you have your velocity, drops, and environmentals you you could calculate the BC but the variables will be what distance/velocity you are shooting and what effect your barrel has on the bullet. I go with the numbers that work at the farthest distance that I test, minimum 1,000 yards. Sierra list 3 different BC's for different velocities so it is not a static number, but and average that depends on how far and fast you are shooting. The whole point of the AH was to mitigate the effect of the bore on the bullet. I think as our chronos, Kestrals, and rangefinders get better the variation in BC from rifle to rifle is going to become more apparent. This is for the SMK 230 grain .308 .800 @1880 fps and above .780 between 1600 and 1880 fps .740 @ 1600 and below [/QUOTE]
Insert quotes…
Verification
Post reply
Forums
Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Introducing the Absolute Hammer
Top