INERT DEACTIVATED. WW2, 1945 dated, Mills No 36 MK 1, Hand Grenade By Galt Metal Industries, Ontario, Canada. - O 2116 INERT DEACTIVATED. WW2, 1945 dated, Mills No 36 MK 1, Hand Grenade By Galt Metal Industries, Ontario, Canada. - O 2116 Other Ammunition