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Text copied from TM 1985-6 (1953) :

Description: The outer case is in two parts which screw together. Both parts are stamped to form a seating for the collar, and the upper part is cut to take the safety bars. Internally the grenade consists of two metal collars and two light metal cylinders. The striker is riveted to the head of the open cylinder, around the outside of which is wound some course wire to form the metal loading. The lower cylinder is a loose fit inside the upper one, and carries the explosive charge, a pressed block of impure TNT recessed to take the detonator. The cap contains the helical spring which holds the striker and detonator apart. The safety strip passes over the ring and is bent up under it, so securing the safety cap (of light aluminium) to which the ring is attached. Between two safety strips is an elliptical metal strip, with an eccentric hole, whose ends are joined by a spring passing around the side of a cylinder. This acts as a safety shutter, and on impact one end jerks forward to a position in which the striker is centrally behind the hole in the shutter to fire the detonator. Two steel collars rest in recesses in the cylinders. If the grenade falls on its side, these are jerked from their seatings and forc the cylinders together.



Operation: When the safety pin is withdrawn, the safety cap is free ti disengange during flight and withdraw the second safety strip. The delay in arming is effected by means of a short chain, attached at one end to the safety cap and at the other to a safety strip. The bight of the chain is wound once around the stop. On impact, the safety shutter moves into alignment; the cylinders come together; and the striker impinges upon the detonator. There is only slight fragmentation from this grenade.
Total length: 80mm , Diameter: 65mm , Weight: 200gram , Filling: 43gram tnt.

In German service, this grenade carried the German designation "Handgranate 328 (i)"

Photos of 1975 model below © Cory.







1st: HE grenade normal issue
2nd: (1935-1943) Excercice with small TNT charge.

3rd: (1944-1955) Smoke excercice 1st model , charge to be replaced after every use.
4th: (1944-1960) Smoke excercice 2nd model , only 2 emission holes in top and base.


Above 2nd to 4th photos © Francesco.


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Roly provided this instruction leaflet which was recovered in Puntland, Somalia.
The leaflet was issued with each grenade.