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7mm TCU

The 7mm TCU is another of the series of cartridges developed by Wes Ugalde for Thompson Center and offered as a standard chambering in the single shot Contender pistol. All are based on the 223 Remington case necked up, this one to 7mm (.284"). The 7mm TCU dates back to 1980, or thereabouts, and has become quite popular for metallic silhouette pistol shooting. It is also known as the 7mm x 223. The 7mm TCU has a reputation for exceptional accuracy and makes a good varmint cartridge in the T/C Contender pistol, particularly with the 14 inch barrel, which provides an extra couple of hundred fps over the 10 inch barrel. It is on the marginal side for deer or other medium game. The originators recommend that only commercial 223 Remington brass be used for forming cases. Don't use military brass. Cases are easy to make and can be formed in one operation once the dies are properly adjusted. Proper case length is 1.740 inches. 

This text is based on information from “Cartridges of the World”, Hodgdon reloading manual, the cartridge designer and/or own resources.

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There is no printed reloading manual created for this caliber. There will be created a Wire-O booklet of all calibers with at least 60 loads present.
Click here to see in which calibers this reloading manual is available.


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With a subscription you can download all loads in 7mm TCU as a PDF load manual. On top of that you will also get unlimited access to downloadable PDF manuals in several hudred calibers.


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reloadersnest Complete Reloading Manual
The Complete Reloading Manual is a compilation based on all rifle calibers with at least one load from this site.
The book contains 311 calibers and 9557 loads. 549 pages in 8x5 inch Perfect-Bound binding.
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140 grs
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150 grs
Nosler Balistic Tip Hunting
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160 grs
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