Starline brass
300 gr HP interlocks
46gr IMR 4198
CCI 250 primer (just because I got plenty)
Never leave home without it
Had to retire the blue one for the new SS Ruger
When I started the only chronos where at the ammo companies however when we got one it made life easier to shoot past 300 yards we could determine lethal range of our rifles without the (Hold my beer watch this) technique