308 velocities from a 20inch barrel

Imbabala

New Member
Im looking for velocities achieved by those reloading for a 308 using a 20 inch barrel. I can't find any viable data and hoped someone could share. I'm particularly interested to hear about velocities in the 150 grain weight and even more so if your using Barnes tax/ttsx. Cheers
 
Not quite what you asked, but just as a point of reference I'm loading 130gr Barnes TTSX over Ramshot Wild Boar and getting 2950fps on average. That's from a T3x with 20in barrel.

I do have some 168gr rounds loaded, but I haven't got to testing them yet. I'll keep you posted.
 
Not quite what you asked, but just as a point of reference I'm loading 130gr Barnes TTSX over Ramshot Wild Boar and getting 2950fps on average. That's from a T3x with 20in barrel.

I do have some 168gr rounds loaded, but I haven't got to testing them yet. I'll keep you posted.
That a very useful data point on the 130ttsx, thank you!
 
I have had no issues getting the 130g TTSX to between 3000 and 3100fps from a 20 inch barrel using Lapua cases and Viht N135.
The 130g TTSX has shot through every red deer I have used them on so I couldn’t see any benefit in going to the 150 grain TTSX.
 
Back
Top