Velocity by Barrel Length Chart.

[arakboss]

I recently watched a youtube video where the creator started with a 25 inch long 350 Legend Barrel and recorded velocities of factory Winchester Ammo. He then cut off an inch at a time and continued to record velocities down to 7 inch barrel length. Is there a one stop source that has this type of info for many common cartridges?

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[Moeca]

Here's a few I had found awhile back. Always kind of interesting to look at. Dont know of a one stop spot to find them but there's lots out there people have done.

308 Winchester / 7.62x51mm NATO: Barrel Length versus Velocity (28″ to 16.5″)

308 Winchester / 7.62x51mm NATO: Barrel Length versus Velocity (28″ to 16.5″) Introduction Released by Winchester in 1952 (and adopted by NATO in 1954 as the 7.62x51mm NATO), the 308 Wi…

rifleshooter.com

 

[arakboss]

Here is one site that tested quite a few pistol cartridges: http://www.ballisticsbytheinch.com/calibers.html

This site has a few rifle cartridges tested.

Velocity Testing | Thompson Center Barrels | Match Grade Machine

Velocity Testing | Thompson Center Barrels. This comprehensive guide offers info on today's top cartridges. Come learn with us!

matchgrademachine.com

 

[Andy54Hawken]

Phil Sharpe ( one of creators of the .357 Magnum Cartridge )
Did a study of velocity with the .30-06 in 1950...that is a good read for sure.
Andy