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RN seating stems are most often used for seating hollow point bullets.I have 1,000 40 S&W hollow points to load but my RCBS seating stem is for round nose. I just contacted RCBS to see what they come up with. What's the fix for this?
I load xtp's with a standard Lee die-set with no damage/ change to the bullet.I picked up the Hornady die for loading the XTP 9mm because it came with both round and flat inserts
Just use the seater that came with it. If you flare the cases, a little, you won't be exerting enough pressure on the nose of a jacketed HP to deform the bullet. It isn't that complicated. And it's easy to see if there's an issue.Ok, here's the answer from RCBS:
Hello Ron,
Due to the numerous types of bullet profiles and bullet manufacturers, we cannot make seat plugs that are a perfect match to every bullet currently on the market. However, we can create a custom seat plug for you that will eliminate the issue you may be experiencing with bullet seating depth or deformation of the bullet during seating.
To create a custom plug, we'll need 3 sample bullets, the diameter of the seater stem, and the caliber. We make seater plugs in 1/4 x 28 and 1/2 x 20. If you need a 7mm or .30 caliber Matchmaster seat plug, please specify the length of your seat plug so we ensure we make the correct plug for you. Without this information, we cannot start the plug and your order will be delayed. Please include your name, address, and telephone number as well as the type of plug you need (1/4 x 28 seat plugs thread into the die from the bottom and 1/2 x 20 seat plugs thread into the die from the top) in your package.
The cost for the custom plug is $19.95 and $7.50 for shipping, plus applicable sales tax. If you have a Gold Medal seat die or Matchmaster seat die seat plug, the price is $27.95, plus shipping and sales tax. We will contact you for your Visa card or Mastercard details. For expediency, please do not include a check with your package, as we no longer process them. Please ship your package to the following address:
RCBS
605 Oro Dam Blvd E.
Oroville, CA 95965
That's what we do here.here we are overthinking it again.
I haven't had any problem with deforming HP bullets.View attachment 1756942 View attachment 1756946
Try this Mike it's just a piece of threaded rod to match the die rod. Grind one end of it to fit the hole in your HP bullet and push them from the inside. That way you don't deform the bullet.
The first thing they say is to do what many here said to do which is first try loading one to see if you need a different one.Ok, here's the answer from RCBS:
Hello Ron,
Due to the numerous types of bullet profiles and bullet manufacturers, we cannot make seat plugs that are a perfect match to every bullet currently on the market. However, we can create a custom seat plug for you that will eliminate the issue you may be experiencing with bullet seating depth or deformation of the bullet during seating.
To create a custom plug, we'll need 3 sample bullets, the diameter of the seater stem, and the caliber. We make seater plugs in 1/4 x 28 and 1/2 x 20. If you need a 7mm or .30 caliber Matchmaster seat plug, please specify the length of your seat plug so we ensure we make the correct plug for you. Without this information, we cannot start the plug and your order will be delayed. Please include your name, address, and telephone number as well as the type of plug you need (1/4 x 28 seat plugs thread into the die from the bottom and 1/2 x 20 seat plugs thread into the die from the top) in your package.
The cost for the custom plug is $19.95 and $7.50 for shipping, plus applicable sales tax. If you have a Gold Medal seat die or Matchmaster seat die seat plug, the price is $27.95, plus shipping and sales tax. We will contact you for your Visa card or Mastercard details. For expediency, please do not include a check with your package, as we no longer process them. Please ship your package to the following address:
RCBS
605 Oro Dam Blvd E.
Oroville, CA 95965
That was the very first thing I did.The first thing they say is to do what many here said to do which is first try loading one to see if you need a different one.
Did you do that yet?
Something else I didn't have time to mention. Regarding the crimp...Just use the seater that came with it. If you flare the cases, a little, you won't be exerting enough pressure on the nose of a jacketed HP to deform the bullet. It isn't that complicated. And it's easy to see if there's an issue.
Going toward what Mike is saying here. ^One other thing to look at/think about is are you using a 3 die set so you are seating and crimping at the same time? if so you might want to separate those operations.