Originally Posted by Les7603006
As a reference, it takes me 75.5grs. of H1000 to push a 162gr. AMax to 3200fps.


Yes. Me too.


I have 7977 but have not tried it yet. Les thanks for the info.Sounds like another good Mashburn powder.

Hardest part is deciding on one... wink



The 280 Remington is overbore.

The 7 Rem Mag is over bore.