Quote:
Originally Posted by Al Nyhus
Converted this Wilson 22-250 Ackley hand seater die for my 250 Savage Ackley with a .25 cal. seater stem. Indicated it and went in with a reamer .0003 over what the new .25 cal. seater stem measures. Fit is perfect...with a bullet on top of the case neck, the seating stem actually 'floats' on the column of air between the bottom of the stem and around the bullet.
No need for carbide for this as the older Wislon seaters are 12L14 that has easy machining properties.
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It's amazing how machining properties in tool steel can be improved using a judicious amount of lead or sulfur in the mix.