Wirehair;
I do not remember who, but one of the major bullet mfgrs has 227 and 228 bullets in their list.
I think Lyman has a die or 2 for the .22HP.
Should be a nice rifle.
Pretty easy to rebarrel to .250 S too. Oh yes, I believe the 5.56x52R IS the .22HP
99's for ever![8D]
Don