I suddenly found myself the co-owner of a few SS20 IWS night sight spare parts. Anyone out there in need of bits to complete an existing IWS.

The SS20 is the commercial variant of the L1 A1 to 7 night vision as fitted to the L42 and L1A1 and for the masochists, to the GPMG/L7, The 884mm Charlie Gee and if you were REALLY unlucky, the AR15. And let's not forget, with the right adaptor, the L4A9 Brens