Found this bullet . The actual bullet is deteriorating which I've never seen. Says HP, hollow point? Found in vacinity as pistol ball . Could it be modern and the soil be highly mineralized to speed up the deterioration?
HP stamp is used by Hirtenberger PatronenFound this bullet . The actual bullet is deteriorating which I've never seen. Says HP, hollow point? Found in vacinity as pistol ball . Could it be modern and the soil be highly mineralized to speed up the deterioration?
This would be worth digging into. I found this online, but yet to be verified.HP stamp is used by Hirtenberger Patronen
Zündhütchen-und Metallwarenfabrik A.-G., Hirtenberg, Niederdonau, Austria.
Since it's a rimfire, I would lean towards pretty old. I found a .22 with US stamp that was from 1890s.
Headstamp Codes – International Ammunition Association
cartridgecollectors.org
Ok thanks for the In depth responseHeadstamp Codes – International Ammunition Association
cartridgecollectors.org
This would be worth digging into. I found this online, but yet to be verified.
- Otto Eberhardt Patronenfabrik (English: "Otto Eberhardt Cartridge Factory") was a munitions company established in 1860. The company's Hirtenberger Patronen, Zündhütchen und Metallwarenfabrik (English: "cartridge, primer and metalware fabrication in Hirtenberg") near Wiener Neustadt (proofmark "am") used forced labor during World War II from a sub-camp of the Mauthausen-Gusen concentration camp and produced ammunition including 9×19mm Parabellum (pistol and submachine gun) and 8 mm Mauser (rifle) cartridges. The company also had a factory in Ronsdorf near Wuppertal (proofmark "ap") which produced rifles. Additional Gustloff facilities were in Meiningen and Weimar. (en)