Some limbs' weaponry (4)
I believe the answer is:
arms
This clue is a double definition.
'some limbs'' is the first definition.
(arm is a kind of limb)
'weaponry' is the second definition.
(synonyms)
(Other definitions for arms that I've seen before include "Weapons, collectively" , "Provides with weapons" , "See 12" , "military equipment" , "Arsenal's items?" .)