.30 Herrett VS 7mmTC/U... - RimfireCentral.com Forums

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Old 02-05-2003, 10:01 PM
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.30 Herrett VS 7mmTC/U...



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I'm thinking of adding a new Bbl. for my T/C and think I have it narrowed between a .30 Herrett and the 7mm TC/U. I'm reasonably familar with the specs on the Herrett, however, I'm in the dark on the TC/U, My primary interest is hog hunting, with the possibility of some handgun turkey hunting. Any alternatives to these 2 would also be of interest. If anyone can help me out here, I'd appreciate it. Thanks, Brad
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Old 02-06-2003, 11:39 AM
Larry in SD

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Ballistically there are really close to the same, and in equal barrel lengths shooting bullets of similar weights, the muzzle velocities will be about the same (give or take a little). The differences amount to the differences in 7mm Bullets & .30 Caliber Bullets. The 7mm Bullets generally have higher ballistic coefficients, therefore travel through the air a little better down range given the same muzzle velocities. However the 7mm Bullets also have higher sectional densities which in turn requires a little more impact velocity to get them to expand. This can be, and is important to the Handgunner due to the lower initial velocities afforded by these cartridges in Contenders.

They are both Wild Cat Cartridges in which no factory ammo or brass is available. There are several steps required in making the .30 Herrett brass, and getting it formed properly for your individual chamber, while the 7mm T/CU simply requires running a .223 Remington case through a Full Length 7mm T/CU sizer die, then loading it to fireform the case to the chamber.

Both are mild to shoot, provide excellent accuracy, and have proven themselves in the game fields. Now, you did not mention what barrel length you are considering. If you are intending on getting a 10" Bull Barrel for the portability, either of these cartridges is probably the best choice in the shorter barrels. If however you are interested in a Super 14" Barrel, then the 7-30 Waters is a WINNER. Brass is available or easily formed, and this cartridge will reach out and provide greater range possibilities then either the 7mm T/CU or the .30 Herrett.

Good luck

Larry
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Old 02-06-2003, 01:29 PM
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I agree with Larry on the 7-30 if you're going to go with a 7mm. If you prefer 30 cal I'd say go with a 30-30 barrel instead of the 30Herret. The Herret's a good round that, IF I remember correctly, came out before anyone was making 30-30 barrels. Availability of factory ammo, if needed, and a generous supply of brass for either round make them more attractive.
FYI, I own a 7T/CU barrel for my Contender. I wish I'd just bought the frame and then bought a 7-30 barrel.
Paul
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Old 02-06-2003, 09:41 PM
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T/C Ammo...

Gentlemen, thanks for your help, sorry for not mentioning Bbl. length, I fell that I would prefer the convience of the 10" Bbl. I doubt that here in Fla. I would have to take a shot at the hogs or Turkeys at much over 60-70 yards, so it seems that either would serve it's purpose. Based on your response, the TC/U would be easier to form the brass. Thanks again for all your help to a T/C newbie. (Still haven't got to the range yet with the .22 match Bbl., but the weekends coming) Brad
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Old 02-06-2003, 09:47 PM
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I don't know anything about the 30 Herret, so don't take this as being partial. I do however have a 7TCU in 10". It shoots mighty fine and I like it very much.
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Old 02-06-2003, 10:20 PM
Larry in SD

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You might want to check out this article

It was written a couple years ago, and the authors opinion has not changed. However the 7-30 Waters does perform much better in a Super 14 Barrel, but the 10" version was a winner also for what it is worth.

Larry

http://www.handgunhunt.com/noframes/...s14/index.html
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Old 12-04-2019, 03:58 PM
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Don't get me wrong.. I LOVE. My 7tcu pistols.
Ten and super 14s....
But what really rocks is a 7tcu in a rifle.
I'm this close to (*) ordering me a MGM 23" 7TCU Barrel.
I feel the 7tcu is (for me) the best all around cartridge there is.
From squirrel to Deer.
It can do it all.
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