I've finally tuned my load, using all my gadgets, pressure tracer II, quickload and crono PVM-08.
Sierra Match HPBT 175 gr
N202 42.8 - 43.2 gr for temperature changes
lapua case 51 mm
federal GM210 primers
OAL very close my FB
HS HTR rifle
muzzle velocity 819 m/s plus/minus 2 m/s
target on the left 100 meters, shot out the groups is a shot with different OAL
in the group the cold bore shot is included.
target on the right 200 meters, shot out the groups is a shot with different OAL.
group below 1/4 MOA
today I've shot same load to 300 meters... same results 1/4 MOA
the limit is the reticle of my S&B 3-12x50.... is a P4, too big for paper..
Sierra Match HPBT 175 gr
N202 42.8 - 43.2 gr for temperature changes
lapua case 51 mm
federal GM210 primers
OAL very close my FB
HS HTR rifle
muzzle velocity 819 m/s plus/minus 2 m/s
target on the left 100 meters, shot out the groups is a shot with different OAL
in the group the cold bore shot is included.
target on the right 200 meters, shot out the groups is a shot with different OAL.
group below 1/4 MOA
today I've shot same load to 300 meters... same results 1/4 MOA
the limit is the reticle of my S&B 3-12x50.... is a P4, too big for paper..
