original (PDF) on October 14, 2020. Retrieved October 13, 2020. C.I.P.: 7,62 × 53 R C.I.P.: 7.62 × 54 R Barnes, Frank C., ed. Amber, John T., Cartridges...
25 KB (446 words) - 01:33, 29 February 2024
Machine Gun "HK 421 – Heckler & Koch stell neues Maschinengewehr im Kaliber 7,62 mm x 51 vor". soldat-und-technik.de (in German). 2023-09-12. Retrieved 2024-01-30...
44 KB (99 words) - 14:15, 11 May 2024