Originally Posted by
1874sharpsshooter
the dark blue I robbed off the shockwaves was plenty tight in my 50 cal mountaineer.
Yes, but White bores are mostly 504-505. In some Whites the dark blue might be to loose but you never know till you shoot it.
It sure shot nice in the 1/24 I used, and it was not even my hunting load - I probably should return tomorrow and shoot some 90/100 grain loads or maybe even some BH loads.