New wars or old weapons (6)

I believe the answer is:

arrows

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'old weapons' is the definition.
'arrows' can be an answer for 'weapons' (arrow is a kind of weapon). I am not sure about the 'old' bit.

'new wars or' is the wordplay.
'new' indicates anagramming the letters.
'wars'+'or'='warsor'
'warsor' anagrammed gives 'ARROWS'.

Can you help me to learn more?

(Other definitions for arrows that I've seen before include "Missiles for the archer" , "Bolts that are shot" , "Pointed weapons" , "Local game" , "Quarrels, for example" .)

I've seen this clue in The Guardian and The Globe and Mail.

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