4 X 37 IWK EXPERIMENTAL

4 X 37 · 2 headstamps · 2 scans

Calibre	4 X 37
In the cabinet	METRIC MILITARY UP TO 5.99mm · 4 images

Reading the headstamp

12 o'clockMaker's name or factory code

6 o'clockCalibre or year of manufacture

CentrePrimer — Berdan or Boxer, and any seal colour

Experimental cartridge dating from 1972 by IWK (Industrie Werke Karlsruhe). Based on a shortened 5.56 NATO case.

2014Catalogued in the collection

2023Record last revised · 2023-05-11

Same drawer

Filed alongside