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Old 04-18-2017, 09:05 PM
Prose Prose is offline
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Default Seating Die Conversion Questions

Hi folks.

I'm looking for a seating die system that can be swapped from one cartridge/caliber to another. I currently use the RCBS Competition Seating Die system with the interchangeable plugs and bullet sleeves, but it's limited by it's tolerances and produces run out of .004-.008. Using any other seating die my results are .002 or better on the same set-up. I'd like a system that cradles the case in addition to the neck.

I've been researching the new Vickerman dies, which appear to be about the same thing in concept as RCBS, but perhaps they hold the body better than RCBS? Curious if the tolerances are tighter than RCBS? If you know please respond.

Ideally, I'd love to have Redding or Forster or Whidden seating dies with interchangeable guts, but I don't think that's an option? If it is, I'd be happy to hear how to go about it.

Can the RCBS Gold Metal Match seating die parts be purchased from RCBS to have an interchangeable system?

I shoot 17, 20, 22, 24, 26, 27, 28, 30, 36, and 45 caliber, so buying 10 or 12 precision seating dies is not in my budget.

Tony
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  #2  
Old 04-18-2017, 09:42 PM
Nor Cal Mikie Nor Cal Mikie is offline
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IMHO, RCBS Compitition Seater Dies are the best. Runout? Never checked. Bullets are all going in the same hole so why bother? Pick them up used, swap the innards to get to the caliber you're after and you're good to go.
Can't get past the side window that you drop the bullet into. Sure saves the finger tips!! And, you can see if the bullet it straight. With every other seater die I've seen, you're working in the dark as soon as the ram goes up, then it's too late to make any corrections. If you find something better that will save your finger tips, at a better price and a warranty that won't quit, let me know.
When I ask for parts from RCBS, they ask me what I'am doing. Swapping parts?? They won't sell them to me. "The parts you need are on their way at NO CHARGE". Can't beat that with a stick.

Last edited by Nor Cal Mikie; 04-18-2017 at 09:48 PM.
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Old 04-19-2017, 02:08 AM
Prose Prose is offline
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I hear ya Mike. I do love the window, especially for the sub calibers. I have the sleeves and seating plug for all calibers, but I really wish it was as good as most designated seaters.

The difference that I'm looking for is a sleeve that envelopes the entire top of the case, shoulder and body included, rather than the top two thirds of the neck like the RCBS Comp Seater and most standard die sets. Redding, Forster, and Whidden grab the whole cartridge, but their innards don't change out to change cartridges.

I took apart a couple hornady seaters tonight with the sliding sleeves. Only the top 50% or so of the neck is supported and the case can wiggle pretty easily. A redding comp die holds the entire neck, matches the shoulder and goes down the body a few tenths of an inch. The wiggle factor is non-existent.
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Old 04-19-2017, 02:09 AM
Prose Prose is offline
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All of the parts you need to swap with the Comp Seater dies are available from midway, gunstop, ect.
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Old 04-19-2017, 01:55 PM
l h jenkins l h jenkins is offline
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Default seating

Prose, you might try turning the brass 180 degrees after only partially seating a round. this can at times help reduce runout. I use the rcbs comp. seater for every thing under 30 cal. if not for it I would not be able to load small calibers with my old stiff fingers.
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  #6  
Old 04-20-2017, 03:22 AM
Prose Prose is offline
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I do 120 degree turns as I have convinced myself that the stable three legged stool principal applies to bullet seating.
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