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Cortina Precision FL Sizing Dies

How did you "Polish the inside"? I have some brass with scoring on them from the shoulder to halfway down and wondering about that.
For the coating in the cortina die grey scotch bright then some 2000 grit.

I had a terribly finished Hornandy 22 arc die recently, rounded the chamfer with 400 then step up in grits as needed to get the finish I want.
 
Some of the prices that I see on dies makes my head hurt.
no kidding- i see these guys who think they need this expensive stuff and I know where they are coming from. i just laugh, If there is something that will really help me i dont mind paying for it. but i been doing this 50 years and i know alot of this stuff is just about getting the money from people who dont know any better or just gotta keep up with their buddies.- i guess like many things—-
 
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How did you "Polish the inside"? I have some brass with scoring on them from the shoulder to halfway down and wondering about that.
From my experience. Scratches down the side of the case body were from not chamfering the neck o.d. Tiny pieces of brass break off and get dragged down the case. I had brass streaks adhering to the die
 
It sounds like the die may not be a good fit for your chamber.
Measure the case diameter before and after sizing at the case shoulder junction as well as the approx .200 line to know exactly how much case reduction the die is producing.
^^^^^^^^^
Wayne
 
From my experience. Scratches down the side of the case body were from not chamfering the neck o.d. Tiny pieces of brass break off and get dragged down the case. I had brass streaks adhering to the die
I've had this happen also. Usually with new brass. The time it takes to chamfer the OD is pretty minimal compared to polishing brass out of a fouled die.
 

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