The most common and most likely answer to this crossword clue is the 9 letter word SLINGSHOT
I've seen this crossword clue in Financial Times
S
L
I
N
G
S
H
O
T
More clues leading to the result SLINGSHOT
- Supports popular weapon
- Supporters of arms get extremel popular weapon
- Photo capturing Heather with South American catapult
- Supporter photographed with a catapult
- Gets rid of popular catapult
- Tosses stolen weapon
- S alcoholic drinks, heated, fatal to Goliath
- Arm supports with stolen weapon
- Catapult giving son slight wound
- Catapult somehow hits long targets finally
Buddy explains!

The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does SLINGSHOT mean?
SLINGSHOT noun- A Y-shaped stick with an elastic sling between the arms used for shooting small projectiles.
- A stationary, often triangular object that launches any ball that hits its longest side back at a high force, now usually located above the flipper and between it and the inlane, with one each for both lower flippers.
- To move or cause to move in a manner resembling a projectile shot from a slingshot.
- (especially) To use the gravity of a moving planet to add momentum to a spacecraft.