This is after break-in. 250 rds of load development. Slow fire, cleaning after each session. No more than 40 shot during a session. H4350 and H4831 were the main powders used. CCI450 primers and Alpha brass. 103 ELDX and 90 ELDX were the projectiles. Best group was 1.3" from the 90g ELDX.
Rifle sits in a McMillian stock and is bedded. Rifle was moved to two other chassis ( MDT and Manners) Groups actually grew. Tried 3 different scopes all taken off from very accurate rifles. All screws/nuts were torqued properly and remained secured during load development. I use a Co-Ax press or my new NEXUS press with SAC die, 266 bushing, 240/241 mandrels used with graphite. AMP code is 148 and is done after each firing. Henderson trimmer and trimmed to 1.910" . A V4 was used to dispense the powder. SD's average around 10fps.