Re: 338 snipe-tac project (338-408imp)
I have only put several loads through the crono, 250grn & 300grn sierra match kings, 250's were showing 3550fps.
The 300grn starting loads were 3200fps
The highest load i had was 3425fps. These were H-BMG50 powder.
I tried some 200grn nosler BT's, they shot very good, one hole groups at 100yds, but there is too much free bore as the reamer is set for the 300MK bullet, this will result in the cases wrinkling. They were running 3900fps.
I havent tried the 350grn bullets yet, that will be my next test. Im hopefull for 3200fps.
You could plug these numbers into your balistic calculators to see what the drop is.
The barrel length is 33"
At 3200fps (300MK) with a 500yd sight in, you add 48 clicks to get to 1000 zero.
1000yd enery is 2929 foot pounds.