What hand guard system is used with a gas piston commando?
CREATE TABLE table_12834315_5 (hand_guards VARCHAR, name VARCHAR)
SELECT hand_guards FROM table_12834315_5 WHERE name = "Gas Piston Commando"
### Context: CREATE TABLE table_12834315_5 (hand_guards VARCHAR, name VARCHAR) ### Question: What hand guard system is used with a gas piston commando? ### Answer: SELECT hand_guards FROM table_12834315_5 WHERE name = "Gas Piston Commando"