Tex,

Not JB, but I think I can summarize; JB can correct me.

The hotter primers, like 7 1/2, BR-4, 450 do a better job igniting slow burning powders like Lil gun and 300-MP, with 450's edging others for top spot.

Gunner agrees with that, so I guess it doesn't matter what JB thinks... shocked

DF