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Redding Competition Bushing Die #8646580 07/22/22 04:39 PM
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How much of the neck do you size? I’ve got the appropriate carbide .002” under collet and have been playing with it. I haven’t actually loaded any ammo with it yet. I’m trying to avoid the donut people talk about. Lapua brass if that matters. All input is welcome.

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Re: Redding Competition Bushing Die [Re: wp75169] #8646584 07/22/22 04:51 PM
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I size the entire neck.


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Re: Redding Competition Bushing Die [Re: ChadTRG42] #8646612 07/22/22 05:28 PM
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Originally Posted by ChadTRG42
I size the entire neck.


+1 some dies with the way they are setup won't allow that though but I always size as much as I can without tightening the die so the bushing won't float. Meaning when I shake my die, I want to hear the bushing move around...it helps center the bushing to the neck in my opinion. FWIW - I'm starting to come around to the bushing die is what causes the donuts...I think I'd be better off having a die with the neck I want to shoot versus using different bushings.


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Re: Redding Competition Bushing Die [Re: wp75169] #8646758 07/22/22 09:06 PM
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^^^^ what Judd said, especially about the bushing being able to move around. Tighten until you don't hear it shake, back it off slightly until you can hear it slightly shaking around, then set it. Always make sure you can hear it shaking, it needs to float side to side.

As far as how far you size the neck (I assume you mean longitudinal down to the shoulder), you really don't have much control over that assuming you are using a die that also sizes the case and bumps the shoulder back (.002 is my goal for bumping the shoulder on bolt rifles).

Are you using the button for the inside of the neck? If so, that will help prevent donuts BUT it also expands the neck a bit. I think most that use bushings remove the button.


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Re: Redding Competition Bushing Die [Re: Judd] #8646808 07/22/22 10:31 PM
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Originally Posted by Judd
Originally Posted by ChadTRG42
I size the entire neck.


+1 some dies with the way they are setup won't allow that though but I always size as much as I can without tightening the die so the bushing won't float. Meaning when I shake my die, I want to hear the bushing move around...it helps center the bushing to the neck in my opinion. FWIW - I'm starting to come around to the bushing die is what causes the donuts...I think I'd be better off having a die with the neck I want to shoot versus using different bushings.


Pretty much this. Screw down the top of the die until it hits the bushing, then back off ever so slightly. Tighten the jam nut.


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Re: Redding Competition Bushing Die [Re: wp75169] #8646916 07/23/22 01:11 AM
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As Judd noted I had never really had much issue with donuts until I discovered bushing dies. I have a couple I need to sell as I used them a few times and put them away.
I admit I am giving bushing die one more chance. I got one of the SAC dies as they say with their bushing you won’t have donuts... we will see.


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Re: Redding Competition Bushing Die [Re: wp75169] #8647207 07/23/22 02:54 PM
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I’m not sure that my dies work like what’s being explained here or I’m miss understanding which is more likely.

I am using a body die to bump the shoulder back

I am not running an expander at all which may be a bad idea I don’t know

I can use the micrometer to size any amount of the neck that I want. Which is why I’m confused about some of the statements.


This is a screenshot of a screenshot but this is what the die internals look like.

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Re: Redding Competition Bushing Die [Re: wp75169] #8647311 07/23/22 04:55 PM
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I've never used a sizing die with a micrometer on top.

Screw it down until everything is tight to the bushing. Then back the micrometer off enough for the bushing to be able to float just a little, so it can center. You do not need an expander ball, it negates what the bushing is doing.


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Re: Redding Competition Bushing Die [Re: wp75169] #8647487 07/23/22 10:03 PM
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bushing dies are a marketing scheme peep


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Re: Redding Competition Bushing Die [Re: wp75169] #8648148 07/24/22 11:57 PM
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Originally Posted by wp75169
I’m not sure that my dies work like what’s being explained here or I’m miss understanding which is more likely.

I am using a body die to bump the shoulder back

I am not running an expander at all which may be a bad idea I don’t know

I can use the micrometer to size any amount of the neck that I want. Which is why I’m confused about some of the statements.


This is a screenshot of a screenshot but this is what the die internals look like.

[Linked Image]


The mic is for your shoulder bump not the length of the neck the bushing sizes..
Set your bushing in the die screw down till its firm against the bushing back off 1/8 of a turn.
Set your die in your press with about .005 clearance off the shell holder and turn that mic down until your case length has moved. Then you can set your shoulder bump once you have a known bump.

Thos dies typically aren’t full length resizers and used to come with a 3rd die that just sizes the body.

They work great kind a pita to set up but it will give you some good control over a standard die.

Btw bushing dies creat donuts just pick a bullet that stays out of the donut and don’t worry about it.
Anealing helps as well as using that knurled button that is caliber specific but in all honesty its not hard to select a bullet to stay out of the shoulder junction and the donut..


Last edited by TAB; 07/25/22 12:01 AM.
Re: Redding Competition Bushing Die [Re: wp75169] #8648203 07/25/22 01:20 AM
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TAB this is the set that I have. I don’t think it’s the same as what you’re thinking about.

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Re: Redding Competition Bushing Die [Re: wp75169] #8648234 07/25/22 01:52 AM
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Same set I have, I have used the body die as a shoulder bump, you can actually bump a shoulder on a loaded round because the neck is opened up larger than a loaded round.

I have also turned that mic down and bumped the shoulder because you have that sliding piece in the die that is also spring loaded with a shoulder angle cut on it.. it stops on that step bushing above the spring.


Last edited by TAB; 07/25/22 01:53 AM.
Re: Redding Competition Bushing Die [Re: wp75169] #8648342 07/25/22 11:03 AM
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I’ve been using the body die to bump the shoulder as described above. I never considered using the bushing die to bump the shoulder.


I think I’m starting to understand where people get the donut.

Re: Redding Competition Bushing Die [Re: wp75169] #8649531 07/26/22 07:19 PM
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Originally Posted by wp75169
I’ve been using the body die to bump the shoulder as described above. I never considered using the bushing die to bump the shoulder.


I think I’m starting to understand where people get the donut.


No matter what the bushing will never meet the shoulder junction so every time you push the brass through the die you push the extra into that junction so every firing brass flows to the shoulder and neck junction, you push it back to the junction as you run your case through the die.

In benchrest the donut doesn’t matter so muck because you prep and neck turn 20-25 cases and shoot the match. When the match is done folks usually trash that set of brass because they have been fired a minimum of 6x and by some considered used up. The bullet seating is very shallow in the br games so you can stuff as much powder in the case as possible.

If your not neck turning or trying to control your neck tension to be something specific or have some latitude on loading for multiple rifles a bushing die isn’t needed but it does produce lower run outs especially when utilizing a inline chamber style seater.

Re: Redding Competition Bushing Die [Re: TAB] #8649650 07/26/22 10:11 PM
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Originally Posted by TAB
Originally Posted by wp75169
I’ve been using the body die to bump the shoulder as described above. I never considered using the bushing die to bump the shoulder.


I think I’m starting to understand where people get the donut.


No matter what the bushing will never meet the shoulder junction so every time you push the brass through the die you push the extra into that junction so every firing brass flows to the shoulder and neck junction, you push it back to the junction as you run your case through the die.

In benchrest the donut doesn’t matter so muck because you prep and neck turn 20-25 cases and shoot the match. When the match is done folks usually trash that set of brass because they have been fired a minimum of 6x and by some considered used up. The bullet seating is very shallow in the br games so you can stuff as much powder in the case as possible.

If your not neck turning or trying to control your neck tension to be something specific or have some latitude on loading for multiple rifles a bushing die isn’t needed but it does produce lower run outs especially when utilizing a inline chamber style seater.


Agreed...benchrest guys know how to spec a reamer to a bullet versus using standard reamer...or they utilize throaters with a dummy round to get it perfect.


Originally Posted by Phil Robertson
Don't let your ears hear what your eyes didn't see, and don't let your mouth say what your heart doesn't feel
Re: Redding Competition Bushing Die [Re: wp75169] #8649720 07/27/22 12:11 AM
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Dont know how Speedy Gonzoles, Walt Berger, Troy Boyer won all their benchrest titles without a bushing die, amazing confused2


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Re: Redding Competition Bushing Die [Re: Buzzsaw] #8649727 07/27/22 12:20 AM
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Originally Posted by Buzzsaw
Dont know how Speedy Gonzoles, Walt Berger, Troy Boyer won all their benchrest titles without a bushing die, amazing confused2


The type “s” bushing die by redding is Speedy’s design..
you can do it with mandrels but its more labor intensive. Bushing dies remove a few steps.

Re: Redding Competition Bushing Die [Re: TAB] #8649834 07/27/22 02:39 AM
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Originally Posted by TAB
Originally Posted by Buzzsaw
Dont know how Speedy Gonzoles, Walt Berger, Troy Boyer won all their benchrest titles without a bushing die, amazing confused2


The type “s” bushing die by redding is Speedy’s design..
you can do it with mandrels but its more labor intensive. Bushing dies remove a few steps.


Way to go Buzz.


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Re: Redding Competition Bushing Die [Re: TAB] #8649836 07/27/22 02:44 AM
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Originally Posted by TAB
Originally Posted by Buzzsaw
Dont know how Speedy Gonzoles, Walt Berger, Troy Boyer won all their benchrest titles without a bushing die, amazing confused2


The type “s” bushing die by redding is Speedy’s design..
you can do it with mandrels but its more labor intensive. Bushing dies remove a few steps.


He’s right…the Type S…that S = Speedy rofl


Originally Posted by Phil Robertson
Don't let your ears hear what your eyes didn't see, and don't let your mouth say what your heart doesn't feel
Re: Redding Competition Bushing Die [Re: wp75169] #8650120 07/27/22 03:43 PM
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The donut will shoot out.


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Re: Redding Competition Bushing Die [Re: Judd] #8650123 07/27/22 03:46 PM
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Originally Posted by Judd
Originally Posted by TAB
Originally Posted by Buzzsaw
Dont know how Speedy Gonzoles, Walt Berger, Troy Boyer won all their benchrest titles without a bushing die, amazing confused2


The type “s” bushing die by redding is Speedy’s design..
you can do it with mandrels but its more labor intensive. Bushing dies remove a few steps.


He’s right…the Type S…that S = Speedy rofl

Oh He77, I've done it again

hammer


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Re: Redding Competition Bushing Die [Re: Buzzsaw] #8650145 07/27/22 04:09 PM
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Originally Posted by FiremanJG
The donut will shoot out.


No, it won't...cutting it out is the only answer. It's a PIA to get rid of...you either cut it from the inside OR you expand it to the exterior and cut it off by turning the neck. There is no shooting out a donut in brass.

Originally Posted by Buzzsaw
Originally Posted by Judd
Originally Posted by TAB
Originally Posted by Buzzsaw
Dont know how Speedy Gonzoles, Walt Berger, Troy Boyer won all their benchrest titles without a bushing die, amazing confused2


The type “s” bushing die by redding is Speedy’s design..
you can do it with mandrels but its more labor intensive. Bushing dies remove a few steps.


He’s right…the Type S…that S = Speedy rofl

Oh He77, I've done it again

hammer


rofl wink


Originally Posted by Phil Robertson
Don't let your ears hear what your eyes didn't see, and don't let your mouth say what your heart doesn't feel
Re: Redding Competition Bushing Die [Re: wp75169] #8650470 07/28/22 12:25 AM
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Judd is right, IDOD or mandrel and neck turn.. donut gets more pronounced after every firing.

Re: Redding Competition Bushing Die [Re: wp75169] #8670280 08/21/22 09:21 PM
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If you want the best possible neck tension, FL size with Redding die that takes the neck size bushing. Then use an expander mandrel to size the inside of the neck (don’t use expander ball in sizing die) such that you get a good 0.002” neck tension!


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