Greetings mopheadrob,
From the photo's it looks as though the full dia section of the projectile is inside the case neck so if you are comfortable seating them longer and single loading that sounds like a good idea. You could use a load with a slightly blunter projectile as a back up in the mag. This was my intention with the SAUM which I must get back to. The 7mm WSM has a very short neck so seating the start of the boat tail just below the neck is likely a good place to start. The LRAB does hot allow much wiggle room due to the short full dia shape.
Regards Grandpamac.
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