- 500gr Barnes Buster claimed 1625 fps mv: https://www.buffalobore.com/index.php?l=product_detail&p=281
- chronograph check 1675 fps mv from 20" 1:16 barrel .450M Ruger No.1-S
- groups not too bad pressure likely < 43,500 psi for use in Marlin lever rifles
- mild load in .450M No.1







