51 (West Highland) Anti-Tank Regiment RA (TA) was converted from 54 Field Regiment with four batteries in November 1938. The Regiment was disbanded in July 1940 but later considered to be in suspended animation. In January 1947 51 (West Highland) Anti-Tank Regiment RA (TA) was re-constituted as 254 (West Highland) Anti-Tank Regiment RA (TA).
Illustrations of the formation badges under which a unit served or supported are given. This is no guarantee that the unit used this formations badge.
| 3 Sep 39 |  |
51 (Highland) Infantry Division | Oban, Argyll & Bute, UK |
| 2 Feb 40 | |
51 (Highland) Infantry Division | France |
| Jun 40 |  |
51 (Highland) Infantry Division | UK |
| Jul 40 | Disbanded |
Batteries
| 3 Sep 39 | 201, 202, 203, 204 |