Country house is good place for shooting (6)
I believe the answer is:
Here is my best explanation:
'country house' is the definition.
(I've seen this before)
'good place for shooting' is the wordplay.
'good' becomes 'g' (abbreviation).
'place for shooting' becomes 'range'.
'is' acts as a link.
(Other definitions for grange that I've seen before include "Country house with outbuildings", "farming complex", "US lodge", "Country house/farm", "Farmhouse", "Country house with attached farm buildings", "Country-house", "old dwelling", "Farm or country house" and "Ganger in country house with farm buildings".)