285 grain "T" mantle RWS factory 9.3x74R loads.

Fired in my 9.3x74R double (23.5" barrels)
6 shots (3 from each barrel) average of 2235 FPS @ 10 feet from muzzles.
Extreme spread right barrel - 18 fps
Extreme spread left barrel - 15 fps
Day temp 18C (65F)

Point of interest,

Same bullet, same rifle
62.5 grains ADI AR2209 (H4350)
CCI 250 primer
RWS case
O.A.L same as factory round
6 shots (3 from each barrel) average of 2236 FPS @ 10 feet from muzzles.
Extreme spread right barrel - 14 fps
Extreme spread left barrel - 11 fps
Day temp 18C (65F)

Usual loading data caveats apply, I've been reloading for years, my loads, my rifle, start lower and work up to this etc etc

Best

Alex

alexbeer.com