The most common and most likely answer to this crossword clue is the 8 letter word PLAYABLE
I've seen this crossword clue in The Sunday Telegraph
P
L
A
Y
A
B
L
E
More clues leading to the result PLAYABLE
Buddy explains!

The straight part
We know that "OK for shot" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case ok for shot = playable.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 PLAYABLE mean?
PLAYABLE adjective- Able to be played.
- (games) Of a move, giving a reasonable result; able to be played without losing.
- (games) Of a game, able to be played and enjoyed.