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John87
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Posted: 8/1/2012 7:01:43 PM

THE IMAGE ABOVE IS A PAID ADVERTISEMENT
i bought some brand new rcbs .308 dies, and before i even used them, i took out the depriming pin and oiled it to ease depriming. this was not in there. after i finish depriming about 100 shells, i take it apart again( i like to check regularly for dirt build up and clean accordingly) and this orange piece of plastic was stuck on the pin. i find it hard to believe that this was able to stand up to the gun powder burning inside the shell, but i dont have any other explanation.











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Motor1
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Posted: 8/1/2012 7:10:23 PM
[Last Edit: 8/1/2012 7:10:40 PM by Motor1]
That's what we call FOD. Did you tumble that brass? Sometimes FOD will be in the tumbler and find it's way into a case. I don't understand how oil on the pin can help. Only the tip does anything and it's a straight push.
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Posted: 8/1/2012 7:23:01 PM
Looks like a cover for a grease fitting.
jnk556
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Posted: 8/1/2012 7:23:10 PM
Looks like you had some crap in your media. that just happened to get center punched by the decapping pin
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Posted: 8/1/2012 7:39:26 PM
Originally Posted By Motor1:
That's what we call FOD. Did you tumble that brass? Sometimes FOD will be in the tumbler and find it's way into a case. I don't understand how oil on the pin can help. Only the tip does anything and it's a straight push.


the fat part opens up the mouth of the case a bit

this is pre-tumbling

Originally Posted By jnk556:
Looks like you had some crap in your media. that just happened to get center punched by the decapping pin


i dont tumble my brass until after i deprime.
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Motor1
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Posted: 8/1/2012 7:55:03 PM
"The fat part" (expander ball?) should not even touch the case unless you mean on exit. That is what they make nylon case neck brushes for, it's to lube the inside of the case neck. I've switched to a dry lube made by Imperial it's great stuff and does both the inside and outside of the case neck with one dip. If you use spray on sizing lube though it's not for you.
countrygunner
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Posted: 8/1/2012 8:07:21 PM
Originally Posted By Motor1:
"The fat part" (expander ball?) should not even touch the case unless you mean on exit. That is what they make nylon case neck brushes for, it's to lube the inside of the case neck. I've switched to a dry lube made by Imperial it's great stuff and does both the inside and outside of the case neck with one dip. If you use spray on sizing lube though it's not for you.


I've oiled mine before too. I does help with the sizing of the mouth of the case. However, the only time I do it is if I don't want to tumble my brass before loading them. If you oil the mouth of the cases and don't clean them the powder will get stuck and won't go down in the case. Plus it can also cause the powder not to burn depending on how much lube is in there.
dryflash3
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Posted: 8/1/2012 11:42:40 PM
Just a piece of plastic in your case when you deprimmed.

As the man said it's FOD.

I'm thinking you never worked around jet engines.
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John87
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Posted: 8/2/2012 5:02:35 PM
Originally Posted By dryflash3:
Just a piece of plastic in your case when you deprimmed.

As the man said it's FOD.

I'm thinking you never worked around jet engines.


nope. small arms, crew served weapons, and missile
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We-rBorg
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Posted: 8/2/2012 5:26:12 PM
[Last Edit: 8/2/2012 5:26:53 PM by We-rBorg]
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Posted: 8/2/2012 9:44:01 PM
Originally Posted By John87:
Originally Posted By dryflash3:
Just a piece of plastic in your case when you deprimmed.

As the man said it's FOD.

I'm thinking you never worked around jet engines.


nope. small arms, crew served weapons, and missile


"Foreign Object Damage:
1: noun, damage to something caused by interaction with foreign objects, i.e. objects not expected to be encountered. Most commonly used in aviation and specifically in jet powered aviation, but applicable to any field wherein foreign matter can cause damage.
2: noun, the foreign objects that are improperly or inappropriately in an area where they can cause damage."

With jets there are two problems: the engines ingesting crap and self-destructing, and the engine BLOWING crap into aircraft, arirfield equipment, personnel, etc. On a target range, FOD can be "the junk those idiots before me left all over" which could be kicked up by off-target rounds or cause ricochets. In an auto engine shop, it could be those "extra" bolts that were really for fastening down the head cover and should not have been INSIDE the head cover.

Most FOD is actually innocuous; sticks on the runway, (I once saw a guy rescue a small tortise from a runway approach because "he's FOD!"), tiny bits of the pavement tht are breaking up, etc., but you have to find it before you can judge that it's not a problem. In reloading, FOD is one reason I have adopted dryflash's wet tumbling system. A "shinier than new" case can't hide anything, inside or out.
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John87
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Posted: 8/2/2012 10:35:03 PM
Originally Posted By GHPorter:
Originally Posted By John87:
Originally Posted By dryflash3:
Just a piece of plastic in your case when you deprimmed.

As the man said it's FOD.

I'm thinking you never worked around jet engines.


nope. small arms, crew served weapons, and missile


"Foreign Object Damage:
1: noun, damage to something caused by interaction with foreign objects, i.e. objects not expected to be encountered. Most commonly used in aviation and specifically in jet powered aviation, but applicable to any field wherein foreign matter can cause damage.
2: noun, the foreign objects that are improperly or inappropriately in an area where they can cause damage."

With jets there are two problems: the engines ingesting crap and self-destructing, and the engine BLOWING crap into aircraft, arirfield equipment, personnel, etc. On a target range, FOD can be "the junk those idiots before me left all over" which could be kicked up by off-target rounds or cause ricochets. In an auto engine shop, it could be those "extra" bolts that were really for fastening down the head cover and should not have been INSIDE the head cover.

Most FOD is actually innocuous; sticks on the runway, (I once saw a guy rescue a small tortise from a runway approach because "he's FOD!"), tiny bits of the pavement tht are breaking up, etc., but you have to find it before you can judge that it's not a problem. In reloading, FOD is one reason I have adopted dryflash's wet tumbling system. A "shinier than new" case can't hide anything, inside or out.


lol, i know what FOD is
Gotta get me my Boats 'n Hoes.