Question to the Ministry of Defence:

To ask the Secretary of State for Defence, how many (a) SUSAT, (b) ACOG L85 and (c) Specter OS4X (LDS) sights his Department holds.

The number of weapons sights held by the Department changes frequently and the figures provided have been collated using single Service data. As at 5 March 2025, there were 107,671 Sight Unit Small Arms, Trilux (SUSAT) sights and 34,258 Elcan Specter OS4X Lightweight Day Sights (LDS) held across the Ministry of Defence. The L85 Advanced Combat Optical Gunsights (ACOG) were removed from combat service in 2015, 18 are currently held in stock.