armourer

from WordNet (r) 3.0 (2006)

armourer
    n 1: a worker skilled in making armor or arms; "a sword made by
         a famous English armorer" [syn: {armorer}, {armourer}]
    2: an enlisted man responsible for the upkeep of small arms and
       machine guns etc. [syn: {armorer}, {armourer}, {artificer}]
    3: a manufacturer of firearms [syn: {armorer}, {armourer}]

from The Collaborative International Dictionary of English v.0.48

armourer \armourer\ n.
   1. an enlisted man responsible for the upkeep of small arms
      and machine guns etc.

   Syn: armorer, artificer.
        [WordNet 1.5]

   2. a manufacturer of firearms.

   Syn: armorer
        [WordNet 1.5]