Item:
ONSV23CWC173

Original U.S. WWII & Korean War MkII RFX M21 Pineapple Grenade With 1944 and 1953 Dated M1 Rifle Grenade Adapters

Item Description

Original Item: Only One Set Available. Totally inert and demilitarized according to BATF guidelines with hollow body and inert fuse. This grenade cannot be converted to an explosive device and is not available for export.

These very nice post WWII issue M21 practice grenades by the Richmond Foundry & Mgf. Co. Inc, come complete with a 1944 and 1953 dated Rifle Grenade Adapters, marked on the sides in yellow paint stampings:

ADAPTER, GRENADE
PROJECTION, M1
GML 10
1944

The other adapter:

ADAPTER, GRENADE
PROJECTION, M1A2
GCK-2-55
1953

This adapter allowed the MkII pineapple grenade to be used with the M7 and M8 grenade launchers for greater range. It is in very good condition, though the fin assembly at the bottom is dented inward on one side.

Genuine examples with original paint are extremely hard to find on the market today, especially with the rifle grenade adapter! Ready to display!

The U.S. Mk II grenade was an iconic U.S. fragmentation pineapple grenade issued during WWII. The Mk II was standardized in 1920 replacing the Mk I of 1917. It was phased out gradually, the U.S. Navy being the last users, on 2 April 1945 the Mk II and Mk IIA1 were re-designated the Mk 2 and Mk 2A1. The Mk II was commonly known as a pineapple grenade, because of its shape and structure. Grooves were cast into the cast iron shell, which was believed at the time to aid in fragmentation and had the side benefit of aiding in gripping the grenade - this provision gave it the appearance of a pineapple fruit.

Pre-WWII high explosive-filled Mk 2s were painted bright yellow. During wartime (from about 1943 and after), yellow grenades were over-painted in olive drab, leaving a narrow yellow ring remaining at the top. Newly produced grenades were painted olive drab, and had a yellow ring added later. Not all were over-painted, however, as D-Day film footage shows.

The Mk.IIA1 could be found with either the earlier body with a filling hole or the newer body without filling hole. It was up to the manufacturer which body style was used. The grenade is fitted only with the M10A3 fuze mechanism. The filling is 0.74 ounces of EC Blank fire powder.

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