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6/10/2014 10:25:29 PM EDT
This may be a dumb question but I have to ask so I stop worrying about it. I am prepping some 5.56 brass and I'm using this on my primer pockets. I'm not sure it does anything but it cleans up the primer pockets nice and makes my primers go in really nice. My question is that it seems my primers don't seat flush with the base of the casing, there below flush about .005". That's the best measurement I can get but if I put a straight edge across them you can see light. The primers certainly won't be touching the bolt face. Is this going to be an issue? Won't the pressure push them back against the bolt?

Sorry, I'm just new to reloading and worry about blowing my rifle up.
6/11/2014 12:09:54 AM EDT
[#1]
You're fine. Perfectly normal, and actually preferred, that the primers are .002-.004 below the head.
6/11/2014 12:13:22 AM EDT
[#2]
Quote History
Quoted:
You're fine. Perfectly normal, and actually preferred, that the primers are .002-.004 below the head.
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Thank you!
6/11/2014 12:28:36 AM EDT
[#3]
As the round ignites the pressure will actually push the primer back against the bolt face.

You firing pin profusion, however, should be more than long enough to ignite the primer, even if it was .010" below the head.
6/11/2014 10:53:55 AM EDT
[#4]


Quoted:

This may be a dumb question but I have to ask so I stop worrying about it. I am prepping some 5.56 brass and I'm using this on my primer pockets. I'm not sure it does anything but it cleans up the primer pockets nice and makes my primers go in really nice. My question is that it seems my primers don't seat flush with the base of the casing, there below flush about .005". That's the best measurement I can get but if I put a straight edge across them you can see light. The primers certainly won't be touching the bolt face. Is this going to be an issue? Won't the pressure push them back against the bolt?



Sorry, I'm just new to reloading and worry about blowing my rifle up.
View Quote


That's a RCBS primer pocket uniformer. Which is adjustable for dept of cut.



.005, that's on the edge of "too deep", but still ok.



I have mine adjusted for .002 dept of cut with primer seated.



You don't want the depth too deep as you are cutting into the case web.



Weak case webs are a bad thing.
6/11/2014 2:21:05 PM EDT
[#5]
Quote History
Quoted:

That's a RCBS primer pocket uniformer. Which is adjustable for dept of cut.

.005, that's on the edge of "too deep", but still ok.

I have mine adjusted for .002 dept of cut with primer seated.

You don't want the depth too deep as you are cutting into the case web.

Weak case webs are a bad thing.
View Quote View All Quotes
View All Quotes
Quote History
Quoted:
Quoted:
This may be a dumb question but I have to ask so I stop worrying about it. I am prepping some 5.56 brass and I'm using this on my primer pockets. I'm not sure it does anything but it cleans up the primer pockets nice and makes my primers go in really nice. My question is that it seems my primers don't seat flush with the base of the casing, there below flush about .005". That's the best measurement I can get but if I put a straight edge across them you can see light. The primers certainly won't be touching the bolt face. Is this going to be an issue? Won't the pressure push them back against the bolt?

Sorry, I'm just new to reloading and worry about blowing my rifle up.

That's a RCBS primer pocket uniformer. Which is adjustable for dept of cut.

.005, that's on the edge of "too deep", but still ok.

I have mine adjusted for .002 dept of cut with primer seated.

You don't want the depth too deep as you are cutting into the case web.

Weak case webs are a bad thing.


This. Plus if it's too deep you run the risk of a light strike miss fire...

I use a Wilson primer pocket uniformer, it cuts to a uniform depth every time and is not adjustable. I try not to over complicate things and if I add one more variable to adjust it just adds to confusing results.
6/11/2014 6:00:49 PM EDT
[#6]
Quote History
Quoted:

That's a RCBS primer pocket uniformer. Which is adjustable for dept of cut.

.005, that's on the edge of "too deep", but still ok.

I have mine adjusted for .002 dept of cut with primer seated.

You don't want the depth too deep as you are cutting into the case web.

Weak case webs are a bad thing.
View Quote View All Quotes
View All Quotes
Quote History
Quoted:
Quoted:
This may be a dumb question but I have to ask so I stop worrying about it. I am prepping some 5.56 brass and I'm using this on my primer pockets. I'm not sure it does anything but it cleans up the primer pockets nice and makes my primers go in really nice. My question is that it seems my primers don't seat flush with the base of the casing, there below flush about .005". That's the best measurement I can get but if I put a straight edge across them you can see light. The primers certainly won't be touching the bolt face. Is this going to be an issue? Won't the pressure push them back against the bolt?

Sorry, I'm just new to reloading and worry about blowing my rifle up.

That's a RCBS primer pocket uniformer. Which is adjustable for dept of cut.

.005, that's on the edge of "too deep", but still ok.

I have mine adjusted for .002 dept of cut with primer seated.

You don't want the depth too deep as you are cutting into the case web.

Weak case webs are a bad thing.


I see that it has a set-screw in it and it has Allen key spot at the end of the threads but I can not seem to get it to move. Any tips on adjusting this thing I would like it not to cut so deep?


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