Hey Stinky, I was looking at putting together a 30-06. SO don't know if this will help ya or not but this is what my info was based off of. From what I understand I think you gain about 30-40 FPS per inch of barrel. I asked a the gun-smith in Bently about Barrels and he said that with a 28" one I could actually start to loose Velosity. He sugested going 22". Said i could go 24" if i wanted, but he seemed to like the 22". Hopes this helps ya bit
RUST
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