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Old 02-21-2008, 04:40 PM
metrotps's Avatar
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7mm Tcu

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Anyone shooting this round and/or your thoughts on it?
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Old 02-21-2008, 07:48 PM
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Join Date: Mar 2007
Location: Oklahoma
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I have been shooting a Super 14" Contender barrel in 7mm T/CU since 1985 and it's one of my all time favorite factory chamberings in a Contender...

I shoot Sierra's 100 gr. Hollow Point / SPEER 145 gr. Grand Slam / SPEER 160 gr. flat base spitzer - Hot Cor and others but these three are my favorite...

With the three bullets listed above, 3-shot groups well under an inch are the norm...

My favorite powder is H-335 and my best friend Phil shoots H-322 and H-4895 in his Super 14" barrel with the same bullet weights. His gun will also consistantly pring 3-shot groups well under an inch at 100 yards...

Remington 7 1/2 primers work best in our barrels and for scopes, we both use Bushnell Trophy 2X-6X-32mm variable power. We also both use Pachmayr grips and forends...

Phil and I both have killed many deer and hogs with our 7mm T/CU's and have no complaints....

By HIS stripes, we are healed...
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Old 05-09-2008, 07:22 PM
wag wag is offline
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We used 7 TCU in 10 inch contenders and BF's for IHMSA competion. Shot 150gr out to 150 meters and 162 hornadys or 175 Remingtons on rams. 150's and 175's were bulk bullets from Midway and never sorted. 162's for shoot offs. We used a lot of 748, H-322, H-335, 2230, 2015br. The cartridge is not picky. Load the same load and set your sights. Never hunted with one because we had JDJ's and XP's that had more horse power. We used a lot of military brass and even got hold of a bunch of factory 7tcu brass from Europe. Easy to make, lasted well, usually discarded due to split necks. Back in early '90's, TC chambers were pretty bad. When you found a good barrel you hung on to it. If the case didn't eject easily, you were over pressure for that particular barrel. Used H-335 for shoot offs. It was not necessarily the best powder but it handled the heavier bullets well and when it went off, the concussion to the other competitors was unsettling. Never pass up an opportunity to acquire an edge. Like one of the greats, Ole Dude Bob Thomas once told me, " Take your time, you can not miss fast enough to win."
Enjoy your toys.
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Old 05-11-2008, 04:22 PM
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Join Date: Aug 2007
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I glad to hear that there are some 7 tcu shooters out there. I used to shoot my Tc at IHMSA matches in the early eighties, it is a good little cartridge. I had not shot it for almost 20 years then last year I put a scope on my 14" barrel and worked up a load consisting of 31 gr of winchester 748 powder and a 100 gr sierra hollow point bullet, my little Tc will shoot 1" groups at 100 yards all day.
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Old 02-10-2009, 03:01 AM
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7mm TCU re-chamber options

I tried to start a new post, but the site kept crashing. Sorry for the intrusion if this is too off topic. My experience wiht 7mm TCU has not been good. If cartridge is not finicky, then it's got to be the barrel/chamber.

I recently read in a thread that some are lucky enough to get a good barrel/chamber from factory barrel for 7mm TCU. That probably explains my unlucky groupings trying to find that elusive load combination for my seemingly sloppy chamber. So, I ask this. What can I have the barrel re-chambered to that will still be a 7mm caliber? If that's not the way to tighten up the barrel, what are my options with that barrel?
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Old 02-10-2009, 07:28 AM
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Join Date: Mar 2007
Location: Oklahoma
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two of the most popular rechambering options for the 7mm T/CU is the 7X30 Waters and the 7mmX307 Improved. Both rounds are easy to load for and are extremely accurate. I'm sure there are other rounds available but, the two mentioned are the most often requested...

Add an oversize hinge pin to tighten the fit between the barrel/frame and then add a heavy duty locking bolt spring to the barrel and your good to go. A good trigger also helps alot and don't forget to look at the muzzle end of the barrel and see how the crown looks....

By HIS stripes, we are healed...

Last edited by ASSASSIN; 02-10-2009 at 07:33 AM.
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Old 02-10-2009, 03:55 PM
The Troll Whisperer (Moderator)
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Assassin has given 24 ct advice. Not much to add. Try to stay away from rimless cases the larger you go.
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Old 02-15-2009, 06:09 PM
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Join Date: Oct 2008
Location: Oklahoma
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Just out of curiousity, why not a 7mm/.204 Ruger to place the bullet closer to the rifling and use the same dies as the 7mm TCU? or perhaps even a 7x50mm made from 5.6x50 brass?
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Old 02-15-2009, 06:22 PM
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Join Date: Mar 2007
Location: Oklahoma
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The 7X50R Bellm is one that I chamber for and uses the full length 5.6X50R case, necked up to 7mm...

Reloading dies would consist of using regular 7mm T/CU dies, along with a LEE carbide die in 357 magnum to size the rest of the base where the 7mm T/CU die stops short...

This round gives near 7X30 Waters performance with less powder....

By HIS stripes, we are healed...
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