Sierra 107 TMK Load Data

[Lawnboi]

What’s your COAL with this load?
Which reamer?

I don’t have any loaded right now to measure,but the reamer is an alpha .120 freebore

 

[skierjt]

20" Sammi spec 6 Creed from PBB.
41.5 grains of H4350
COAL of 2.850
2999 FPS

I posted my dads groups with this exact load earlier in this thread. It shot about the same.

What brass?

 

[Tullis94]

What brass?

Alpha LRP, 2x loaded.