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So,I just seated some primers in some once fired 30-06 Norma brass. I tryed seating them with lee hard priming tool and on my rock chucker press. The primers are "bottomed" out in the pocket,but are still about 4-5 thousands proud of the case head. I've never run into this before. Thoughts?
"Any one who thinks he can be happy and prosperous by letting the Government take care of him, better take a closer look at the American Indian." - Henry Ford
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Campfire 'Bwana
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Campfire 'Bwana
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Any chance there are Remington 9.5 primers?
I've run into WW brass with shallow pockets caused by an overly large radius in the transition between pocket sides and bottom. I've also run into a batch of 9.5's that were on the tall side of specification. Combine those and voila!
Large rifle pockets should be between .128" and .132" deep. When I cut pockets to .132" that batch of 9.5's still needed a strong seating stroke to get them flush.
Last edited by mathman; 02/17/16.
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First seated fed primers. Then measured the height of those vs. Some ww lr I had. The ww were lower in height so I seated those....still 4-5 thousands proud. BTW, the Norma brass has very little or no radius.
"Any one who thinks he can be happy and prosperous by letting the Government take care of him, better take a closer look at the American Indian." - Henry Ford
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Campfire 'Bwana
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Campfire 'Bwana
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Measure the depth. You can use the tail of a caliper if you don't have an appropriate depth micrometer.
I'm headed out the door, so I don't know when I'll be able to check back.
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Are you sure they are bottomed out? Sometimes the cups vary in diameter and it can take more force to seat them all the way. Also some of my presses exert less force than others and it can seem like you have to push a lot harder to get primers fully seated.
I am continually astounded at how quickly people make up their minds on little evidence or none at all. Jack O'Connor
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Fully seated as far as I can tell.
"Any one who thinks he can be happy and prosperous by letting the Government take care of him, better take a closer look at the American Indian." - Henry Ford
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Campfire Outfitter
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Primer pocket uniforming tool will clean up any problems. Also, were the primer pockets cleaned? The uniformer cleans them as well as makes the correct diameter and depth.
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Cleaned in ss pins. Clean as can be. Are there any pocket tools that have adjustable stops.
"Any one who thinks he can be happy and prosperous by letting the Government take care of him, better take a closer look at the American Indian." - Henry Ford
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I use the Sinclair solid carbide pocket uniformers. There is no need for adjust-ability. The pocket has a spec to be cut/formed to. If it is in spec and the primer won't go in there is a problem with the primer dimensions or the tool being used to insert them. Seems two different primers are high for you so that points to the brass or the seating tool.
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I have not had this problem with either seating tool before with other brass. BTW,this Norma brass came from overseas, that could be the issue. I'll do some measuring of pocket depths tonight. What is the spec for depth?
"Any one who thinks he can be happy and prosperous by letting the Government take care of him, better take a closer look at the American Indian." - Henry Ford
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Campfire Ranger
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I have a carbide uniformer in a drill at the loading area. I do all pockets, new and fired, to make sure they are fine. Always works.
"Only Christ is the fullness of God's revelation." Everyday Hunter
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Campfire Tracker
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"What is the spec for depth?"
For large rifle: Minimum depth is .1250" Maximum depth is .1320
My Sinclair tool uniforms to the max depth spec.
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Measured with tail end of calipers:
.126-.127
Measured a couple primers:
@.129
"Any one who thinks he can be happy and prosperous by letting the Government take care of him, better take a closer look at the American Indian." - Henry Ford
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Here are the height specs for large rifle primers: min= .1230 max= .1330
I do my casings like Ringman does. You may want to get a uniforming tool.
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I have a carbide uniformer in a drill at the loading area. I do all pockets, new and fired, to make sure they are fine. Always works. Which (who's) tool you using?
"Any one who thinks he can be happy and prosperous by letting the Government take care of him, better take a closer look at the American Indian." - Henry Ford
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Bought some hornady brass for my 7x64 with the same problem. Then bought the hornady tool and it is junk.
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Campfire Ranger
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sinclair carbide in a forster base(front), powered by cordless screwdriver......
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Damn, I hate brass prep. Maybe it would be easier if I was setup to do it efficiently. Now it looks like I'll have to add another step.
"Any one who thinks he can be happy and prosperous by letting the Government take care of him, better take a closer look at the American Indian." - Henry Ford
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