A cute, unusual, pistol, originally — might it be filled with gunpowder? (6)
I believe the answer is:
teacup
'might it be filled with gunpowder?' is the definition.
(gunpowder is a type of tea)
'a cute unusual pistol originally' is the wordplay.
'unusual' is an anagram indicator.
'originally' indicates taking the first letters.
The initial letter of 'pistol' is 'p'.
'a'+'cute'='acute'
'acute' with letters rearranged gives 'teacu'.
'teacu'+'p'='TEACUP'
(Other definitions for teacup that I've seen before include "Vessel for a popular drink" , "Where unimportant storm takes place?" , "Part of the service" , "At the end here, maybe, leaves" , "Drink holder" .)