Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### Context:
CREATE TABLE table_name_8 (hand_guards VARCHAR, name VARCHAR, barrel_twist VARCHAR)
### Question:
Name the hand guards for ar-15a2 government carbine and barrel twist of 1:9
### Answer:
SELECT hand_guards FROM table_name_8 WHERE name = "ar-15a2 government carbine" AND barrel_twist = "1:9"