1. headstamp - Noun
2. headstamp - Verb
headstamp (plural headstamps)
(military, firearms) The identification marking on the base (bottom) of a cartridge casing.
2009 Chivers, C.J. (The New York Times), Is U.S. Ammo going to Taliban?; run in Austin American-Statesman, May 20, 2009, p A-1:
headstamp (third-person singular simple present headstamps, present participle headstamping, simple past and past participle headstamped)
(transitive) To affix a headstamp to.
Produced by Western Cartridge Company (headstamp: WCC). Source: Internet
The first step to ensuring consistent case capacity is sorting the cases by headstamp, so each lot of cases is from the same manufacturer and/or year. Source: Internet