any ideas on this one , bought this maybe last winter ,it was painted gold , steel casing , very faint markings so i tried sanding the paint i put on in hopes it would act like back fill , looks like its says 30 CAL , tried googling but everything comes up brass
https://www.milsurps.com/images/impo...P1010073-1.jpg
https://www.milsurps.com/images/impo...P1010074-1.jpg
https://www.milsurps.com/images/impo...P1010075-1.jpg
https://www.milsurps.com/images/impo...P1010081-1.jpg
https://www.milsurps.com/images/impo...10081kkk-1.jpg
https://www.milsurps.com/images/impo...P1010078-1.jpg