Arisaka Type 99 Identification & Dating

A practical collector reference for identifying the Japanese Arisaka Type 99 by receiver markings, chrysanthemum status, arsenal and subcontractor symbols, series marks, and approximate serial production.

Important collector note: on a Type 99, the receiver crest, type markings, series mark, arsenal symbol, and serial number should be read together. No single mark should be used in isolation when trying to date or interpret a rifle.

Overview
Quick ID Checklist
Chrysanthemum & Crest
Japanese Characters
Arsenal Marks
Serial Dating
Estimated Serial Production Chart
Concentric Circle Rifles
Collector Notes

Overview

The Type 99 short rifle was the Imperial Japanese Army’s 7.7mm service rifle of the Second World War. For identification purposes, the most useful reading order is top of receiver first, then left side of receiver. The top normally carries the chrysanthemum and type designation. The left side normally carries the series mark, serial number, arsenal mark, and any subcontractor symbol.

Many rifles are encountered today with mixed wartime features, missing accessories, or surrendered and altered receiver crests. Because of that, the best approach is to read the markings first and the physical features second.

Quick Identification Checklist

Check the top of the receiver for the chrysanthemum.
Note whether the chrysanthemum is intact, partially ground, or absent.
Read the type designation on the receiver top.
Look for the series mark to the left of the serial number.
Record the serial number exactly as stamped.
Identify the arsenal mark at the end of the serial number line.
Look for any subcontractor symbol to the right of the supervising arsenal symbol.
Compare the series and serial range against the production table.
Check whether the rifle is a standard Type 99 or a concentric-circle variation.
Do not date the rifle from stock style or missing accessories alone.

Chrysanthemum and Receiver Crest

The 16-petal chrysanthemum was usually stamped on the receiver of rifles manufactured for the Imperial Japanese Army. It signified Imperial ownership. Rifles surrendered after the war often had the mum at least partly ground off, while rifles captured in the field normally retain it intact.

Imperial Japanese chrysanthemum receiver crest

Imperial chrysanthemum: the standard receiver crest found on most service Type 99 rifles.

Concentric-circle mark: a much less common alternative receiver marking discussed separately below.

Reading the crest: an intact mum often supports a field-capture history, while a ground mum usually suggests formal surrender processing. It should be treated as one clue among many, not as the only point of interpretation.

Japanese Characters and Type Marking

The type designation on the receiver uses the character shiki for “type” together with Japanese numerals. The quick-reference chart below is useful for reading those markings on the receiver top.

Japanese characters used on Arisaka rifles

Reference chart for common Japanese characters used in Type designations and receiver markings.

Arsenal and Manufacturer Marks

Each Japanese rifle was marked with the symbol of either the arsenal of manufacture or the arsenal that supervised a subcontractor. This mark is normally found on the left side of the receiver at the end of the serial number line. Rifles made by commercial subcontractors may also show the subcontractor’s symbol to the right of the supervising arsenal mark.

Japanese rifle manufacturers and arsenal symbols

Reference chart showing supervising arsenals and associated subcontractor symbols.

Serial Dating

The table below converts the production information into a normal HTML reference table for the Type 99. These figures are estimates based on recorded serial information. They should be used as a practical dating guide, not as an absolute production ledger.

Type	Arsenal / Subcontractor	Series	Serial Number Range	Approximate Dates
Standard Type 99 Production
99	Nagoya	none	0-99,999	1939-1945
99	Nagoya	1	0-99,999	1939-1945
99	Nagoya	2	2,500-99,999	1939-1945
99	Nagoya	3	0-99,999	1939-1945
99	Nagoya	4	10,000-99,999	1940-1945
99	Nagoya	5	0-99,999	1943-1945
99	Nagoya	6	0-99,999	1943-1945
99	Nagoya	7	0-99,999	1943-1945
99	Nagoya	8	0-99,999	1942-1944
99	Nagoya	10	0-99,999	1944-1945
99	Nagoya	11	0-99,999	1944-1945
99	Nagoya	12	0-1,000	1945
99	Kokura	20	0-99,999	1941-1942
99	Kokura	21	0-99,999	1942-1943
99	Kokura	22	0-99,999	1943
99	Kokura	23	0-99,999	1943-1944
99	Kokura	24	0-99,999	1944
99	Kokura	25	0-92,000	1945
99	Toyo Kogyo	30	0-99,999	1941-1942
99	Toyo Kogyo	31	0-99,999	1942-1943
99	Toyo Kogyo	32	0-99,999	1943
99	Toyo Kogyo	33	0-99,999	1943-1944
99	Toyo Kogyo	34	0-99,999	1944
99	Toyo Kogyo	35	0-57,000	1944-1945
99	Tokyo Juki Kogyo	27	0-41,000	1942-1943
99	Tokyo Juki Kogyo	37	0-59,000	1943-1945
99	Izawa Jyuko	4	0-10,000	1943
99	Izawa Jyuko	9	0-50,000	1944-1945
99	Howa Jyuko	9	50,000-99,999	1944-1945
99	Jinsen Arsenal	40	0-91,000	1943-1945
99	Mukden Arsenal	45	0-3,000	1944-1945
Type 99 Concentric Circle Production
99 Concentric Circle	Nagoya	none	0-600	Unknown
99 Concentric Circle	Nagoya	none	Assembly numbers 0-700	Unknown
99 Concentric Circle	Tokyo Juki Kogyo	2	0-600	Unknown
99 Concentric Circle	Kokura	none	0-1,400	Unknown
99 Concentric Circle	Kokura	none	1,800-3,400	Unknown

How to use the table: identify the arsenal mark first, then read the series mark, then compare the serial number against the appropriate row. Because these figures are estimate-based, the table is best used as an identification guide rather than an absolute factory ledger.

Estimated Serial Production Chart

This visual chart complements the serial dating table above and provides a quick reference for estimated Type 99 series production by manufacturer and year.

Estimated Type 99 serial production by manufacturer, series, and approximate wartime period.

Concentric Circle Rifles

A small number of Type 38 and Type 99 rifles were marked with two concentric circles in place of the chrysanthemum. Their exact purpose is uncertain, though they have been associated in collector literature with special issue or non-standard service use. Some appear to have had the chrysanthemum removed and replaced, while others appear to have been manufactured with the concentric-circle marking from the outset.

The source data also indicates that concentric-circle Type 99 rifles were serialized separately from standard production pieces, which is why they appear as their own grouping in the table above.

Collector Notes

An intact chrysanthemum usually supports original Imperial ownership and often a battlefield capture history.
A ground mum commonly suggests surrender processing rather than field capture.
Arsenal and subcontractor marks on the left side of the receiver are often more useful than missing accessories when identifying a rifle.
Series and serial number should always be read together. The same serial number can appear under different series.
Late-war simplification features are useful, but they should confirm the markings, not replace them.

Bottom line: the Type 99 is best identified by reading the receiver as a system, top crest and type marking first, then the series mark, serial number, and arsenal or subcontractor marks on the left side.

Credit: oldmilitarymarkings.com and Don Voigt - The Japanese Type 99 Arisaka

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