Thread locking nut for rear sight irises
5002 M.17 and M.18 foresight push-fit annular ring to increase the external black around iris
5007 Rearsight lock-collar
5005 Rearsight spanner
5009 M.18 foresight lock-collar
5010 M.22 foresight lock-collar
5006 M.17 and M.18 foresight spanner
5008 M.22 foresight spanner