Uncertain range of French projectile (7)
I believe the answer is:
grenade
'projectile' is the definition.
The definition and answer can be both man-made objects as well as being singular nouns.
Perhaps there's an association between them I don't understand?
'uncertain range of french' is the wordplay.
'uncertain' indicates an anagram.
'of french' becomes 'de' ('of' in French).
'range' with letters rearranged gives 'grena'.
'grena'+'de'='GRENADE'
Can you help me to learn more?
(Other definitions for grenade that I've seen before include "Small hand-bomb" , "Bomb with a pin" , "hand-held missile" , "Handy bomb" , "Small explosive that is thrown" .)