300 Saum 40°

[TiminTN]

I jumped in with both feet when I saw this talked about on 6br. I got resize and finish reamers. I have had them for months, and just got around to getting it done. It fought me on break in, I'm only 13 rounds down it and 4 hours of copper management. I think it's going to be worth it. Supposed to get same speed as 300 WSM using 3 grains less powder. My reason was the good ADG brass, that was not available in WSM, and now of course it is.

 

[CritterGitter]

Those bullets are WILD looking !!

 

[TiminTN]

Lol...the camber was throated long to fit the heavy weight Bergers without robbing powder space. The reamer was ordered with zero freebore so could throat it for a 165 Accubond as well. As pictured chamber has .200" freebore.