Help with 308 actual muzzle velocity

[bro_drey]

Hey I bought a luepold vx5hd and am ordering the custom dial system for it can anyone tell me the actual muzzle velocity for Barnes VOR TX 168g TTSX in .308 ? Be a life saver


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[bro_drey]

It’s being shot out of a Remington 700 26” sf barrel


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[swampratt]

You can't guess muzzle velocity.
You must measure it.
I have many loads for .308 and from 18-24" barrel some loads will be 200 FPS different and then 22"-18" I have recorded less than 10 FPS difference with a different load.

You really need a chronograph.
You can have 2 of the same exact gun and one barrel can be faster than the other.
Some things you just can't guess at.