Recent content by flintlockshooter

This is my first time on this net. Ihave been reloading for about 45 or so yrs, I just got a new custom .300 rum. 27 1/2 " tube. With 101.5 gr of Retumbo I get 3,414 fps. with this load I just shoot today a 1/2" group (5) shots using a 180 gr spbt. I will be shooting at 600 yds in the AM if it...