I am not seating the projectiles as shown in the photo. That was just to show where the lands where. If I seated it 3mm deeper it would fit the mag box with room to spare. Which would give about 7mm in the neck. The loaded rounds I have already would have close to 12mm in the neck. Just was wondering if it would be worth bring it out more. Like someone above suggested I will try around the 71.5 mark and different depths.
So far at 72.0 looks like still plenty of room so I wouldn't imagine 73.5 compressing.
Thank you for all the help so far.
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