So those TSX 350 grainer are flying well!Loaded 20 rounds of 458 win mag using 485gn cast gas check bullets on top of H4198 cotton patch and cream of wheat and cci250 primers! Velocity is 1920ish fps!
And I loaded 5 test rounds of 458 win mag 350gn tsx on top of H4198 going just around 2590fps with the same primers!!
