I have a bolt accurizing fixture that chucks up in a lathe and you set a bolt in it to machine the face or and installing a plug and redrilling the bolt for a smaller firing pin, it is very similiar to the one Brownell sells. $75.00 plus shipping
Chet
PS you can see what it is similiar to this one,
http://www.brownells.com/aspx/NS/store/productdetail.aspx?p=7789&s=
Chet
PS you can see what it is similiar to this one,
http://www.brownells.com/aspx/NS/store/productdetail.aspx?p=7789&s=