22-243 loads

[hogwire]

Has anyone loaded 75 grain scirocco bullets in this caliber? Any troubles with other chamberings? 22 Swift or 22-250? Been loading this caliber for years and someone misplaced my reload journal. I loaded some with imr 4350 short cut (before losing journal) and it didn’t turn out so well. 1 bullet off target and one keyhole at 100 yards. Waiting on my bullet puller so I can see if I messed up or what. I haven't checked my barrel yet but it has well under 500 rounds through it I'm guessing. Slow fired, no hot loads.

[hogwire]

I should add I have a 1 in 7 or 8 twist barrel MGM so it's a match grade ss shilen