IVI did not manufacture 45 ACP ammunition, but a Canadian collector found an old photo of a 45 ACP case with IVI headstamp. During 2001 an order was placed with IVI for a single batch of reportedly 10,000 rounds of training ammunition loaded with the Greenshield® copper-polymer frangible projectile, in .45 ACP calibre.. Headstamp Guide Welcome to the AFTE Headstamp Guide. We are always taking new submissions for inclusion in the HSG. If you would like to contribute, please visit our Forum for more information. Click on a photo below to view headstamps within a particular category.
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Headstamps are markings on ammunition cartridge cases, providing critical information like caliber, manufacturer, and production details. They play a vital role in identification and tracing, essential for firearms enthusiasts, collectors, and forensic experts. What is a Headstamp? A headstamp is a marking on the base of a cartridge case, typically indicating the caliber, manufacturer, and.. A headstamp is the marking on the bottom of a cartridge case designed for a firearm. It usually tells who manufactured the case. Military headstamps usually have only the year of manufacture . The left cartridge's headstamp says "FC 223 REM" which means that it was made by Federal Cartridge Co. and it is in the caliber .223 Remington. The cartridge on the right has a Two digits are the last.
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