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Shifty Bob

RCBS 38/357 COWBOY DIES ARE CUTTING LRN

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Hi I have a set of RCBS 38/357 COWBOY DIES. The seater stem works fine with 125gr TCFP bullets buts scores 158gr RN. The stem cuts a ring in to the RN. Has anyone else had this situation?

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Yes, the seater stem simply has the wrong shape to it.  Either buy one made for RN, or modify the one you have.  JB Weld works great.

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At our distance to targets, you really shouldn't worry about it. 

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I'm with Red Cent...

 

 

But, if you're using those RN's in a levergun, you probably shouldn't.

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some folks use hot glue to make a new shape in the seater. 

 

put a 'perfect' cartridge in the seating station.  Smear the bullet with some grease, oil, plastic wrap--something to keep the hot glue from sticking.

 

put a dab of hot glue in the seater stem where it meets the bullet

 

allow to bullet to come up to the hot glue and sit--usually the pressure of the handle is enough

 

after a couple of minutes you should have a mirrror image of the bullet on the stem and a bit of trimming, if needed, is all that you need to do from there.

 

with hot glue you can always go back and it only takes a couple of minutes to do.

 

I live with the ring on mine

 

see next post for another way to go

 

 

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I have also chucked the stem in a drill press and used finer and finer grades of garent/wet & dry paper to flare out the edges of the stem.  I usually do this in multiple steps ass in sand and try, etc.

 

I understand some use a dremel tool while the drill press is running but I don't have any first-hand experience with that method

 

good luck

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thanks. wasn't sure if I was missing something. RCBS says they can make a stem to fit. I sent them 3 bullets and will see what they return. I will post my results.

 

and yes close range this isn't an issue. I would just like the bullets to be seated without the cuts. I do reload rifles for distance and this goes against the grain.

 

thanks for the feedback

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