British Armed Forces Unassigned: Patchett Machine Carbine Mark 1 (trials commenced in 1944) Unassigned: Patchett Machine Carbine Mark 1 & Folding Bayonet (same as above but with folding bayonet, never accepted) L2A1: (Patchett Machine Carbine Mark 2) Adopted in 1953.
Angkatan Bersenjata Britania Raya Tak dinamai: Patchett Machine Carbine Mark 1 (dicoba tahun 1944) Tak dinamai: Patchett Machine Carbine Mark 1 & Folding Bayonet (sama, tapi dilengkapi dengan bayonet lipat, tak pernah disetujui) L2A1: (Patchett Machine Carbine Mark 2) diproduksi tahun 1953.