Ragged sort of weapon (6)
I believe the answer is:
dagger
'weapon' is the definition.
(dagger is a kind of weapon)
'ragged sort' is the wordplay.
'sort' indicates anagramming the letters.
'ragged' with letters rearranged gives 'DAGGER'.
'of' is the link.
(Other definitions for dagger that I've seen before include "''Is this a ... which I see before me'' (Macbeth)" , "A weapon; a reference mark" , "that has an incisive point" , "Stabbing weapon" , "Hand weapon" .)