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  #1  
Old 05-25-2018, 8:47 AM
captn-tin captn-tin is offline
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Default rcbs primer pocket uniformer

Anyone bought a rcbs primer pocket uniformer thinking it was adjustable for pocket depth just to find out it wasn't. I loosened the set screw thinking I could adjust the cutter for depth, but the cutter wouldn't move. Called RCBS. and was told it is not adjustable for depth. Watched a video that showed how to adjust by loosening set screw, sliding the cutter out and then tightening the set screw to new, proper depth. Friend of mine as a Hornady uniformer that is adjustable.
anyone experience this?
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  #2  
Old 05-25-2018, 10:11 AM
baih777 baih777 is offline
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Quote:
Originally Posted by captn-tin View Post
Anyone bought a rcbs primer pocket uniformer thinking it was adjustable for pocket depth just to find out it wasn't. I loosened the set screw thinking I could adjust the cutter for depth, but the cutter wouldn't move. Called RCBS. and was told it is not adjustable for depth. Watched a video that showed how to adjust by loosening set screw, sliding the cutter out and then tightening the set screw to new, proper depth. Friend of mine as a Hornady uniformer that is adjustable.
anyone experience this?
It's adjustable. They use red loctite. Heat it with a heat gun till the loctite oozzes.
It's just a long set screw.
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Old 05-26-2018, 2:09 AM
longrange1 longrange1 is offline
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Originally Posted by baih777 View Post
It's adjustable. They use red loctite. Heat it with a heat gun till the loctite oozzes.
It's just a long set screw.
this right here^^^because they do not want ppl adjusting it.

if you want an adjustable primer pocket uniformer spend the extra money and buy one thats actually made to adjust...that said be careful how deep you cut the pockets.

http://www.xxicsi.com/primer-pocket-uniformer.html
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Old 05-26-2018, 7:18 AM
LynnJr LynnJr is offline
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Why would you want to adjust it in the first place?
Sinclair International sells a carbide cutter that isn't adjustable and any time it doesn't clean-up the pocket 100% you keep that piece of brass for fouling shots only or toss it in the scrap bin.
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  #5  
Old 05-26-2018, 8:32 AM
baih777 baih777 is offline
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Originally Posted by LynnJr View Post
Why would you want to adjust it in the first place?
Sinclair International sells a carbide cutter that isn't adjustable and any time it doesn't clean-up the pocket 100% you keep that piece of brass for fouling shots only or toss it in the scrap bin.
The original setting leaves the primer about .001 to high. After swaging. It's nice to try and get all the crimped brass to seat the primers the same height.
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Old 05-26-2018, 9:12 AM
tonyjr tonyjr is offline
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baih777
To be honest - 001 would be me .
I use the RCBS prep center and hand load primers with the Lee hand
primer .
I only use CCI primers [ mainly magnum and br ]
I seldom use a mike anymore , I have a light setup and only check 1st
and then maybe every 20-25 reloads .
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Old 05-26-2018, 9:16 AM
LynnJr LynnJr is offline
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Quote:
Originally Posted by baih777 View Post
The original setting leaves the primer about .001 to high. After swaging. It's nice to try and get all the crimped brass to seat the primers the same height.

Primers have a very small amount of tolerance and if you write to CCI-Blount they will email you the specs for everything but 50 BMG.
If all your primers are 0.001 off send the tool back and RCBS will fix it.


Primer pocket dimensions and tolerances
Pocket Type Depth Min Depth Max Diameter Min Diameter Max
Small Rifle/Pistol 0.1170 0.1230 0.1730 0.1745
Large Rifle 0.1250 0.1320 0.2085 0.2100
Large Pistol 0.1170 0.1230 0.2085 0.2100
Primer dimensions and tolerances
Primer Type Height Min Height Max Diameter Min Diameter Max
Small Rifle/Pistol 0.1150 0.1260 0.1745 0.1765
Large Rifle 0.1230 0.1360 0.2105 0.2130
Large Pistol 0.1150 0.1260 0.2100 0.2120
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Old 05-26-2018, 12:41 PM
tonyjr tonyjr is offline
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LynnJr
Thank you . I guess I seat the primers deeper . They don't stick out
above case . Some times they are a little high . High ones get pulled
and used for dry firing [ seems like we change trigger settings way to
much ] then run thru case prep center again .
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Old 05-26-2018, 2:42 PM
LynnJr LynnJr is offline
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Toby
I recommend that you uniform the primer pockets because they have rounded corners on new brass. Uniforming them removes the rounded edge and makes them all very consistent.
If your tool is removing material but the pockets are not cleaning up 100% I would either toss them or use them for plinking.
If the tool get a brass chip in the cutters flutes it won't cut properly so you need to spin it backwards to clear out any chips.
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Last edited by LynnJr; 05-26-2018 at 2:45 PM..
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  #10  
Old 05-26-2018, 3:32 PM
captn-tin captn-tin is offline
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Quote:
Originally Posted by LynnJr View Post
Why would you want to adjust it in the first place?
Sinclair International sells a carbide cutter that isn't adjustable and any time it doesn't clean-up the pocket 100% you keep that piece of brass for fouling shots only or toss it in the scrap bin.

got about 1500 lc that have been deprimed, sized, & cleaned. Primers seat a tad high when fully seated, using an early model Lee hand primer seater. Not much, but I want them seated a little deeper.
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Old 05-26-2018, 4:26 PM
baih777 baih777 is offline
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Quote:
Originally Posted by captn-tin View Post
got about 1500 lc that have been deprimed, sized, & cleaned. Primers seat a tad high when fully seated, using an early model Lee hand primer seater. Not much, but I want them seated a little deeper.
^^^^^^^^^^
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