Swiss GP-11 ammo

[PerversPépère]

Hello!
Anyone around her who reloads for the swiss K-31?
I would like to match the GP-11 military ammo ballistics.
Could you tell me the original bullet weight and profile, please?
Any chrono tests and average speeds I could use as a basis?
Thanks!

PP.

 

[sunray]

"...original bullet weight and profile..." 175 grain, .308", spitzer, FMJ, at round 2560fps, in a berdan primed case.
Epp's carries loaded 7.5 x 55 Schmidt Rubin/Swiss ammo and brass. Likely Norma.