Unknown headstamp cartridge

Help for identify headstamp

20180312_190246

20180312_190330

I think it’s factory number 3 of Uljanovsk (U.R.S.S.)
1982
ARMOR PIERCING INCENDIARY (API)

hello
14.5x114 API-T (purple red tip)

I here described a little those those with whom I came across: