i use , vit-340 ,WSR primer,starline supercomp brass ,1.235-1.240 OAL with3-4 hybri-holes and 4 chamber comp. dot tracks and recovers instantly.almost. i also support angus h.s choice of powders. vittys all seem to work well,comes down to personal choice and what you like in respect to feel,recoil perception,cleanliness,metering,blast,smoke,cost,etc.-shoot all and decide for yourself.