Originally Posted by
Gm54-120
MMP 50x.458 for all my .458 bullets. Occasionally other sabots will work such as Crushribs for .452 bullets and in one of my 54s i might be able to use the Harvester 54x.452 sabot since they are loose using a .452 bullet.
This is good to know, especially for .54 caliber because you would like to use a larger bullet than .452 diameter.
Thanks for the good info.