25 Ugalde (25 TCU)
Historical Notes:
The 25 Ugalde, also known as the Thompson/Center Ugalde, was developed by Wes
Ugalde of Fallon, Nevada, in 1987. Dean Grennell, then managing editor extraordinaire
of Gun World magazine, also had a hand in the original iteration. The
cartridge, like other TCU cartridges, is based on the necked up and Improved 223
Remington case. Results of the original testing by Dean Grennell were carried in
the August, 1988 issue of Gun World. He used a Thompson/Center single shot
pistol with a 14 inch heavy barrel made up by Wes Ugalde.
General Comments:
The 25 TCU is intended for metallic silhouette shooting, but would also make a
good varmint cartridge at moderate ranges. There is a good selection of 25
caliber bullets available in weights from 60 to 120 grains. By the standard of
today, ballistics are not spectacular, but quite adequate for the intended
purpose. Dean Grennell reported less than minute of angle groups. It is in about
the same class as the old 25-35 and would be marginal for deer. RCBS
can furnish reloading dies, and no special case forming dies are required.
Source: Cartridges of the World
| 25 Ugalde (25 TCU) Reloading Data | ||||
|---|---|---|---|---|
| Bullet (grs.) | Powder / (grs.) | MV | ME | Source |
| 75 HP | H-335 / 26.2 | 2455 | 1010 | n/a |
| 75 HP | H-335 / 27.2 | 2680 | 1195 | n/a |
| 75 HP | BL-C2 / 27.9 | 2280 | 860 | n/a |
| 75 HP | W-748 / 28.3 | 2490 | 1030 | n/a |
| 75 HP | RL-12 / 28.0 | 2530 | 1070 | n/a |
| 90 SP | AA-2520 / 24.0 | 2455 | 1205 | n/a |
| 100 SP | H-335 / 26.2 | 2365 | 1245 | n/a |
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