Quickload 260 Rem help

[Polarshot]

Anyone have access to quick LOAD, and able to put me in the right direction for a 260 Rem SAAMI load for my rifle.

142 SMK naked
Fed 210m Primer
Lapua Brass
2.800 COAL
24 in barrel

Just looking for close starting nodes using 4350,R17,4381sc powders

Thanks

 

[arizonajake]

With H4350 powder: 41.0 - 41.6 grains, in 0.2 grain increments.
With H4831 Powder: 44.0 - 44.6 grains, also in 0.2 grain increments.

Use a chronograph to determine the load that gives you the least Extreme Spread and standard deviation, then play with bullet seating depth in 0.020 inch increments to fine tune the load to reduce groups size. I use 300 meters for testing groups.

My .260 Silhouette rifle likes 41.2 grs. of H4350 with the bullets seated 0.040 inch from the rifling, as well as 44.2 grains of H4831 with the bullets seated in contact with the rifling.

I hope this helps.