Hello Boyd Allen

[Lucky Shooter]

Some time back you mentioned a way to modify a Redding Comp Seater die to get better
alignment between the case and bore.

I don't like to admit forgetting this but I did.

Would you please post this here so some of us can give it a look.

Thanks for all your good info over the years.

A. Weldy

 

[RegionRat]

@BoydAllen

@Lucky Shooter , notice that if you put an "@" in front of the name you are typing, the screen editor will start a drop down menu where you can select the name. This triggers a notice to that name so they will catch your post. Carry on.

 

[Lucky Shooter]

Thank you Region Rat.

A. Weldy

 

[BoydAllen]

If you set the die body low enough to cause the press to lightly toggle at the top if the ram's stroke it will tend to improve consistency of seating depth. The sliding sleeve is designed to be pushed up by the shell holder, If you shorten it a little, it will be pushed up by the case, improving fit of the case in the sleeve. Depending on your chamber the base of the case may be a bit loose in the sleeve. You can play around with shimming the inside of the sleeve openinng with painters tape. The first time I did this I put a narrow strip all the way around the inside of the opening, which is a bit of a pain. You can do about the same thing with short strips at 90 degree intervals. A friend tried all of these mods and saw a small improvement in loaded round concentricity.

 

[Lucky Shooter]

Thanks for your refresh Boyd.

Have you used this yourself and seen any difference on your targets ?

A. Weldy

 

[BoydAllen]

Thanks for your refresh Boyd.

Have you used this yourself and seen any difference on your targets ?

A. Weldy

I gave these ideas to a friend who was using the Redding seaters. He is a very good shooter who tests a lot and shoots quite a lot. At the time I did not have any of those seaters. Currently, I have one Forster seater of that type and it has already had the sleeve shortened because at the time I got it seaters for the 6BRA were not yet available, so some of us found that shortening the sleeve of a Dasher die actually works pretty well. As straight as my ammo is for that caliber, and considering how well the rifle has shot, I intend to follow the "If it ain't broke..." rule and leave it the heck alone. My friend has both lathe and mill, and does his own work very well, so little projects like this one are a no brainer for him.

 

[Lucky Shooter]

We've had some posts that indicated, bullet runout under a certain amount made no discernible difference on the target.

Doesn't make sense to add steps to your process and receive no benefits on
your targets. I'll just have to learn when to say when,

I think this will be an interesting project that may or may not bear any fruit.

A. Weldy

 

[BoydAllen]

We've had some posts that indicated, bullet runout under a certain amount made no discernible difference on the target.

Doesn't make sense to add steps to your process and receive no benefits on
your targets. I'll just have to learn when to say when,

I think this will be an interesting project that may or may not bear any fruit.

A. Weldy

I respectfully suggest that if one is physically able, doing ones own testing is the preferred method. In looking at runout, I think that there are variables that often do not make their way into discussions. Generally, if I can assemble straighter ammo it is a good thing, because it removes that issue with regard to confidence in my equipment. I like testing things. My friend likes building and trying different things and every once in a while he finds that what he is trying shows up on a target. Some of the things that he builds and tries have never shown up in print, either paper or on the internet.