CREATE TABLE table_name_1 (hand_guards VARCHAR, barrel_profile VARCHAR, rear_sight VARCHAR)

Which Hand guards has a Barrel profile of a2 and a Rear sight of weaver?
SELECT hand_guards FROM table_name_1 WHERE barrel_profile = "a2" AND rear_sight = "weaver"
SELECT "hand_guards" FROM "table_name_1" WHERE "a2" = "barrel_profile" AND "rear_sight" = "weaver"