Ok guys first range report here it goes: my rig is a Browning X-Bolt, bi-pod, and votes viper PST 4-16x55.
Break in: shoot 1, clean, shoot 1 clean, shoot 1 clean; then shoot 3, clean and do that for 4 sets I saw my groups go from about 2 inches to 1.2/1.4 inch.
Loads were 54g of 4350, 168r...