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  #21  
Old 04-30-2011, 09:49 AM
Stephen Perry Stephen Perry is offline
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Default Tom

My loading notes for the 6 TCU rifle, 2 pages Jacketed 1 pages Cast, shows RE 7 the best agging powder for Sierra 85's. Not much ahead of H 4198, H 4895, BLC 2. Next best bullet with same powders was Berger 65. Not talking much different as all bullets used shot well, as to expected with small caliber loading.

Stephen Perry
Angeles BR
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  #22  
Old 05-12-2011, 05:10 PM
FatAlbert FatAlbert is offline
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When I first had my rifle built I tried about every powder out there and settled on H-335. In the last year I have gone over to N133.
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  #23  
Old 05-13-2011, 01:07 AM
Stephen Perry Stephen Perry is offline
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Default Albert

H 335 is a great powder for small base catridges like the 6 TCU. It's worth buying a large quantity of H 335 and use it for other cartridges such as .222, .222 Mag, .223, 6x47 Remington and most of the associated wildcats made off these small base cartridges mentioned. I would suggest using WSR, CCI, Federal, and Remington primers with H 335.

Stephen Perry
Angeles BR
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  #24  
Old 05-13-2011, 01:19 AM
nycstripes nycstripes is offline
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6TCU is one of my favorite prairie dog cartridges. With the 58gr V-Max it was ferrocious on small critters. The Sierra 60gr HP was a good substitute.
I have used H335, H322, W748 and other powders with this combination.

For the heavier bullets, you can refer to 6x47mm (6mmx222 RemMag) data which is pretty close to the 6mmTCU. Just reduce and work up the load you're working with.
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Last edited by nycstripes; 05-13-2011 at 01:22 AM.
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  #25  
Old 05-14-2011, 04:00 PM
harpo111 harpo111 is offline
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Default wish i had one

i would love to have a 6mm tcu in a 14" or even a carbine. I have a 6.5 tcu..85gr sierras are mean on coyotes and armadillos... I have been using 748, rel 7 and 3031 in it....plan to play with it more with cast lymans this summer...
k
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  #26  
Old 11-21-2011, 11:59 PM
StevenD StevenD is offline
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Default Starting on this again

I'm coming around to this project again and am interested in any newly developed loads and experiences with a 6mm TCU, 6x45 (223) or 6x47. I am particularly interested in trying this as a big game (deer & maybe hog) hunting round at close ranges. Doubt I'd try a body shot with it though.

Thanks

Steve
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  #27  
Old 09-19-2012, 09:23 PM
UpNearTheBorder UpNearTheBorder is offline
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Kind of interested in this cal. Is this like an A.I. type cartridge in that you can fire it after case forming or do I
have to do a false shoulder on this? I suspect I don't but wanted to hear it from you guys. Thanks in advance.
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  #28  
Old 09-19-2012, 10:08 PM
william t. oviatt william t. oviatt is offline
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Default Start with longer brass...

I have to create a false shoulder with the 243 Horny Toad, which is the same dimensions on the upper part of the case, just on a 221 Fireball case instead of on a 223 R case. I neck a 221FB case up to 6.5 then through the 243HT FL (or 6TCU FL die in your case) to get a good crush fit to my chamber. Now, using 222 brass so the shoulder is made in the reduction of the brass body without making the false shoulder. I think you could do the same for the 6TCU using the longer 222R Mag or the 204R brass! save the step of creating a false shoulder.
Bill
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  #29  
Old 09-20-2012, 05:25 AM
larryinIA larryinIA is offline
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I don't see why that wouldn't work.

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  #30  
Old 09-20-2012, 08:20 PM
shooter#42 shooter#42 is offline
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Default 6mm tcu

according to my records i had my 6tcu from the mid 80"s to the mid 90"s. i used to load the hornady 70gn spirepoint into the 3100/3200 fps range. the gun loved the hornady 80 grain single shot bullet loaded to 2900 fps. shot mostly fox but i did kill one deer with the 80 gr. bullet, broadside into the lungs around 100 yards. i always thought it would be an effective deer cartridge for a youngster with the old nosler 85 grain partition.
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