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Author Topic: .223 in 7mm TCU  (Read 1118 times)

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Offline Moose in KY

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.223 in 7mm TCU
« on: July 13, 2003, 05:52:58 PM »
I have the opportunity to buy a 7mm TCU from a gentleman with the loading dies and everything.  The only hang up is that he told me how he formed his cases.  He took a loaded .223 shell, and shot it in the TCU barrel to fireform it.

Would the .224 diameter bullet bouncing along the .284 caliber bore cause damaging scratches or other harm?  Am I just worring too much?  I can get it at a great price is I was sure the bore isn't harmed.

He said hes shot around 50 rounds out of it and handloaded part of them, so I wouldn't think he shot over 25 .223's out of it.  BTW: I can't examine the barrel myself :(
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Moose

If you give a lazy man a hard job,
he'll find an easy way to do it.

Offline KYODE

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.223 in 7mm TCU
« Reply #1 on: July 13, 2003, 06:02:49 PM »
i shot a few(about 40rnds)of .223's in my 6tcu just to see how it works. it forms the case just fine, but is pretty much useless as you can't hit anything at all with them. as far as harming the barrel, i don't see how it would harm it in anyway. steel is hard, copper and lead are soft. my 6tcu barrel still shoots super. i wouldn't hesitate to buy it for that reason. should be fine, unless there was another problem other than that.  :D
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Offline Moose in KY

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.223 in 7mm TCU
« Reply #2 on: July 13, 2003, 06:07:45 PM »
Thanks KYODE.

Hearing that someone with your experience tried it really convinces me that there is nothing to worry about :D

Thanks again.
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Moose

If you give a lazy man a hard job,
he'll find an easy way to do it.

Offline Robert

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I did the same thing with mine...
« Reply #3 on: July 13, 2003, 09:13:09 PM »
but somebody suggested it might not be the best thing to do, so I stopped.  I cant see any harm it did except wasting lead.     But if you had an emergency and broke your dies or something the day before your hunt.........You can certainly make your brass that way.
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Offline KYODE

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.223 in 7mm TCU
« Reply #4 on: July 13, 2003, 11:12:23 PM »
you're welcome moose, but i'm just a normal, average guy just like you.
well, i guess the normal part could be debatable :lol:
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Offline boneguru

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forming the brass with your dies is usually not that hard
« Reply #5 on: July 19, 2003, 08:51:06 AM »
the other option is to make a fireforming load, I've had some oatmeal over powder plugged with wax and wadding over powder plugged with wax. but I simply expand the mouth with the dies and then the first firing fireforms the brass correctly, Raymond
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SUA SPONTE

Offline Tony D

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.223 in 7mm TCU
« Reply #6 on: July 21, 2003, 03:18:34 AM »
Most shooters of the TCU rounds have found that the fireforming loads shoot as well as loads with previously fireformed brass.  Size the .223 cases to fit your chamber and allow the action to close, then go right to load development.  I've even used fireforming loads in a silhouette match and noticed no difference in my score.
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Tony D ><>
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