The following excerpt is from an article that originally appeared on The Firearm Blog Ammunition
While doing a research for another article and looking for different information, I visited Indonesian Pindad’s website. Their small arms page shows the different models of their SS-1 and SS-2 rifles chambered in 5.56x45mm. But then I noticed a couple of rifles designated as 7.62mm ones. Just by looking at the magazine size in relation to the weapon they didn’t seem to be 7.62x51mm rifles. I thought maybe Pindad has chambered these guns in .300 Blackout? Anyway, going to one of that rifles’ pages I saw the full caliber designation – 7.62x45mm! What in the world is that? Has Pindad decided to give a second chance to the long extinct 7.62x45mm Czech cartridge? No. It turns out this cartridge is designed by Pindad somewhere in the early 2000s. Nevertheless, I think many of our readers are not aware of it, too.
It is most likely a necked up 5.56x45mm NATO brass to 7.62mm caliber. Pindad…post was originally published on this site