My Tolley 500/450 3-1/2" BPE runs best at 2025 or so FPS with 350grSNRN jacketed bullets.

I'm using 21gr Dacron as case filler on (can't remember just how much at this moment, I think 75gr) Varget powder and fed215 primers.

Also, thanks to Marrakai's generous nature, I will be the proud owner of Two J&W Tolley rifles in this chambering once he completes the build of the special shipping case for his TLH model and his nice 6.5mm mannlicher bolt rifle (which he's offered as a gift to my recently born son)

Thanks Marrakai!

*tinker keeps wishing...*

--Tinker