103 Anti-Tank Regiment RA was converted from 14th Battalion The South Staffordshire Regiment in December 1942, with three batteries. RHQ was disbanded in August 1943 and the batteries dispersed.
| Dec 42 | Formed from 14th Battalion The South Staffordshire Regiment | |
| Dec 42 | Home Forces | UK |
| Aug 43 | Disbanded |
Batteries
| Dec 42 | 189, 190, 191 |