{"product_id":"original-japanese-wwii-type-100-he-81mm-inert-mortar-round","title":"Original Japanese WWII Type 100 HE 81mm Inert Mortar Round","description":"\u003cp\u003eOriginal Item: Only One Available. This mortar round is totally non-functional and inert, having been deactivated according to specifications outlined by the BATF (Bureau of Alcohol, Tobacco, Firearms and Explosives). \u003cspan\u003eIt is totally inert, cannot be converted to an explosive devise.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThis is a very good condition rare example of the Japanese Type 100 HE Mortar Round used with the Type 97 (1937) and later the Type 99 small trench mortar. This is based on the Stokes-Brandt design, as was the U.S. 81mm, and this round was actually interchangeable with the U.S. M43A1 shell.\u003c\/p\u003e\n\u003cp\u003eThe Japanese Type 100 round had a maximum range of about 3,000 yards. Loaded weight: ~3kg (6.9lbs) of which 1 pound was TNT. This round is complete, except it does not have an inert fuze installed on the top. The top cap is also not currently removable. It still has the original paint markings indicating type and other information regarding the round. The paint markings are a just bit faded from cleaning and wear, but still fully legible.\u003c\/p\u003e\n\u003cp\u003eThe stenciled text with translations reads-\u003cbr\u003eLeft column:\u003cbr\u003e\u003cstrong\u003e100 式 \u003c\/strong\u003e- 100 Shiki (Type \/ Model)\u003cbr\u003eRight column:\u003cbr\u003e\u003cstrong\u003e九 七 曲 歩 -\u003c\/strong\u003e Kyuu Nana Kyoku Ho (97 Infantry Mortar)\u003c\/p\u003e\n\u003cp\u003eKyoku Ho is the abbreviation of \"Kyokusha Hoheiho\", which the IJA called the infantry mortar. It has another stencil indicating the weight specification. There are 5 possible markings for this: ++   +    +\/-    -     --    \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e+\/- as this example is marked indicates nominal weight\u003c\/strong\u003e, while ++ 1.5% to 2.5% over, and -- 1.5% to 2.5% under.\u003c\/p\u003e\n\u003cp\u003eEvidently this was to make up for variations in manufacturing variables. These weight indicators would be taken into account when aiming, to obtain the desired ballistics. Also the range could be adjusted by wrapping weights around the tail fins.\u003c\/p\u003e\n\u003cp\u003eMortar round shows evidence of having some paint added to it, which is very old, and likely dates to the 1940s with embellishment done by the veteran who brought it back. In addition, it appears that there was a layer of varnish applied as well, which has tarnished and has started to exhibit some crackling and crazing over the years.\u003c\/p\u003e\n\u003cp\u003eThis piece would make a great addition to any WWII Ordnance collection. Ready to display!\u003cbr\u003e\u003c\/p\u003e","brand":"Original Items","offers":[{"title":"Default Title","offer_id":39869250371653,"sku":"ONSV22SOS106","price":395.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1524\/1342\/products\/ONSV22SOS106__01.jpg?v=1647034046","url":"https:\/\/www.ima-usa.com\/products\/original-japanese-wwii-type-100-he-81mm-inert-mortar-round","provider":"International Military Antiques","version":"1.0","type":"link"}