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Is there a "best" velocity for 30 cal?

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  #1  
Unread 05-18-2009, 09:50 PM
tlk tlk is offline
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Is there a "best" velocity for 30 cal?

Is there an optimal speed or speeds for .308 bullets?
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  #2  
Unread 05-18-2009, 10:41 PM
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Re: Is there a "best" velocity for 30 cal?

There are (more times than not) optimum velocities for any given bullet. Much of this depends on barrel twist. Also as with most other things, most bullets perform better when they arent "hot rodded".
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Unread 05-18-2009, 10:57 PM
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Re: Is there a "best" velocity for 30 cal?

Also each bullet is its own...as in some can be pushed hard and others not.
It depends on they're makeup.
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Unread 05-18-2009, 10:59 PM
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Re: Is there a "best" velocity for 30 cal?

Quote:
Originally Posted by tlk View Post
Is there an optimal speed or speeds for .308 bullets?
For terminal performance, yes. The construction and velocity at impact are major determinants. The same is applicable for other calibers.
.

Last edited by Winchester 69; 05-18-2009 at 11:03 PM.
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Unread 05-19-2009, 08:35 PM
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Re: Is there a "best" velocity for 30 cal?

What does optimal mean? Accuracy? External ballistics? Terminal ballistics?

There are a lot differently designed bullets designed for differnt purposes and applications. If we are talking Long Range Hunting, you want a high BC bullet that will give good terminal performance down range. For LR... basically, the faster the better, assuming accuracy is acceptable.
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Unread 05-21-2009, 12:55 AM
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Re: Is there a "best" velocity for 30 cal?

Optimal means " The accepted best practice or performance for the situation involved "
External ballistics is the science of what happens to a bullet from exiting the barrel to just before it hits a target or the ground.

Internal ballistics is the science of what happens inside the cartridge case and the barrel during firing.

Terminal ballistics is the science of what happens when a bullet strikes a target .
A high BC will aid good External ballistics not Terminal ballistics.
Optimal Terminal ballistics is aided by correct bullet construction for the intended target and the final impact velocity .

Last edited by Bullet bumper; 05-21-2009 at 01:00 AM.
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  #7  
Unread 05-21-2009, 12:11 PM
CAM CAM is offline
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Re: Is there a "best" velocity for 30 cal?

If you do a web search on "Secrets of the Houston Warehouse"
It will help you to know what to chase and what didn't matter much.
It was more for bench rest type shooting but a good read!

Cam
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