Name the barrel length for barrel twist of 1:7
CREATE TABLE table_name_90 (barrel_length VARCHAR, barrel_twist VARCHAR)
SELECT barrel_length FROM table_name_90 WHERE barrel_twist = "1:7"
### Context: CREATE TABLE table_name_90 (barrel_length VARCHAR, barrel_twist VARCHAR) ### Question: Name the barrel length for barrel twist of 1:7 ### Answer: SELECT barrel_length FROM table_name_90 WHERE barrel_twist = "1:7"