Oath in paramilitary force to produce weapons (6)
I believe the answer is:
swords
'weapons' is the definition.
(sword is a kind of weapon)
I don't understand how the rest of the clue works.
Can you help me to learn more?
(Other definitions for swords that I've seen before include "Thrusting weapons" , "Bladed weapons in north Dublin" , "Eg, rapiers, sabres" , "Steel weapons" , "Weaponry" .)