ordered a upper from BSA .tried a box of the 123 black,wow what a waste that was . picked up a box of hornady 123 SST and set to try a half dozen + different powders . best loading was with imr8208xbr . i then did some adjustments to the
EC tuner witch sucked them in even closer. then tried the hornady 120's ,even better results.
this early in the working up of a loading test i think i may be done
EC tuner witch sucked them in even closer. then tried the hornady 120's ,even better results.
