06-18-2021, 01:14 PM
120 gold dot
H322 powder
Check the jump in your barrel and if it allows seat it at 2.290 work up in 2 tenth increases from 27 grains till you find a load with a average speed your happy with and has tight sd/es numbers.
Then adjust seating depth by 5 thousands at a time to get the group size you want.
Your going to need a chronograph and the tools to measure your jump to lands if you dont already have them.
H322 powder
Check the jump in your barrel and if it allows seat it at 2.290 work up in 2 tenth increases from 27 grains till you find a load with a average speed your happy with and has tight sd/es numbers.
Then adjust seating depth by 5 thousands at a time to get the group size you want.
Your going to need a chronograph and the tools to measure your jump to lands if you dont already have them.

