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If you can add other headstamps please send via email and I will cite you for photo credit. 

(If you can add other headstamps please send via email and I will cite you for photo credit. Thanks)

Exact shotshell manufacturers Identification can be a very difficult process. It often requires far more than just the headstamp. Often the identification requires the headstamp, primer, the shell case and often the topwad. Sometimes the only sure way is to have the actual box itself, especially for dating. Many companies such as Winchester may only place a "Winchester" wording on the headstamp but used for various models of shotshells which are very different from each other. For example, the "Winchester" only headstamp is used on "Winchester Standard" loads, "Winchester Magnum" loads, "Winchester Duck and Pheasant" loads etc. Many shotshell companies also provide their casings for other companies they load themselves and this can be worldwide. Today companies such as Cheddite and Fiocchi have their headstamps (full cases) sent to 100's of other companies who use to load their own brand of shotshells. Headstamp Identification on shotshells over all, unless you have the box is a vague science to say the least. Small companies often buy hulls from the larger manufacturers to re-load and sell themselves and have done so for over 125 years. It is therefore important to note what is written on the shell casing itself (either on the top wad or written on the casing) to aid in the identification and aging of the shell. The color of the plastic or paper hull as well as the case size and the size of the brass rim must also be taken in to consideration for identification purposes. The color, size and type of primer used may also be an indicator of the manufacturer or if it is a re-loaded case. Primer size, color, type and size have changed over the years and can sometimes also give an idea to the age of a shell. Keep in mind though, that many companies keep the exact same headstamp for many many years, so dating a headstamp just on it's own is not usually a reliable method. Even when they have changed their headstamps, there are usually still many hulls around that have been sold to other companies or re-loaded years afterwards. These pages are really to help you ID who made the casing.

Thanks to Mike, Heath Kushner, Rene Polman, Jim Buchanan, Bob Ruebel and aussiemetaldetecting/com who provided photo's on this page.

Dominion Cartridge Company & Successors

(all were paper except where denoted with * which is brass)
DC CO, Brownsburg, QC : 1886 - 1915,
1915-1919 located in St Henri, QC
1919-1927, Dominion headstamps under Canadian Explosives Industries.
1911 DC Co merged with other companies to form Canadian Explosives Ltd.
DC Co shotshell plant was moved to St Henri, QC 1915-1918 then back to Brownsburg
Dominion Cartridge Company (part of Canadian Industries Ltd.): 1927-1955, Dominion headstamps.
C.I.L: (Canadian Industries LTD) 1955-1976, used C.I.L headstamps.
IVI: (Industries Valcartier Inc. now part of General Dynamics Ordnance and Tactical Systems - Canada) 1977 to 1998. (Note: IVI never officially took over CIL until 1976, but the Imperial/IVI markings started being used in 1967). IVI is now only used on military centerfire ammunition.
1998-2006: Challenger & Imperial headstamps2010+. Imperial Canada headstamps now used by Aurora Enterprises who now owns the Imperial brand name, but is in no way related to any of the above.

DC Co.

Dominion Cartridge Company 
(Canadian Industries Ltd.)

Dominion Made for Others

Armeria Americana. Dominion made for Export & sales in Cuba, Mexico & others. circa 1920's, mainly sold as NPE's.
Pictures by Heath Kushner

Bufalo. Export to Colombia (Tracy Brothers Ltd, Bogota, circa 1929.
Many also appeared in Cuba. 12, 16 & 20 gauges.
Pictures by Heath Kushner

E.T.C. Export To Argentina & Gaviao Export to Brazil
circa 1930
Pictures by Heath Kushner

Rival (12, 16, 20 gauge) exported to South American countries (1955-1960's)
Pictures by Heath Kushner

Exchem Mark(components and boxes made by Dominion and loaded and sold in Liberia) No Picture   

Regal(Supposedly an experimental lot that was never released)
circa 1930's
Pictures by Heath Kushner

Dominion Setter
1930-1940's. Made for export to Latin American countries in 12, 20 and .410 gauges. Used a Dominion made in Canada heads like those above. 
Shells were red and had the word "Setter: over a picture of a setter dog then the word :"Smokeless" below on the shell. Similar to this British one shown below




CIL Industries 

(1955-1976). Successors to Dominion.

IVI (Industries Valcartier Inc, Valcartier, QC)

1976-1998. Successors to CIL & Dominion

2010+ Imperial Canada brand now used by Aurora Enterprises as they purchased the Imperial trademark. 
(Challenger is the most often used brand)

ELEY Bros. Ltd (Winnipeg, MB)

HINGSTON SMITH ARMS Co. Ltd (Winnipeg, MB)
 1879-1920?

It is assumed that the hulls were purchased from other companies and loaded by HSA Co.  You will notice many Eley, Dominion and Winchester names used by this maker. Primers were DC Co. or Eley.

WEST CAN Industries (Okotoks, Alberta)

Plastic 1 piece hulls like Activ some had metal ring on head around plastic (1959-1966)

XL EXPLOSIVES LTD. Canada

(also used CIL's Gauge ,Gauge headstamp)

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