Originally Posted by antelope_sniper
Originally Posted by AJ300MAG
Look at the velocities. Someone needs a new chronograph, scale or both!


He was going up by 1/2 grain increments with a 90+ gr case capacity, with a sample of 1 for each load. The Chronograph resluts could easily be valid. I've seen similar results with ladders in large cases.


Thanks for the head's up!

I've done load work-up with both the. 300 & the .338RUM. I normally don't use a chronograph that early in load development, haven't seen that velocity jump.