This Storm Lake® Standard Barrel is a 9MM, 4.49 inch barrel, made specifically for your Glock® 31. This Storm Lake® Standard Barrel is made from match grade material which ensures its durability, strength and accuracy in its performance. The Storm Lake® Standard Barrel is designed from modern day standard technology to give you fantastic performance. This Storm Lake® Standard Barrel is well suited for any type of shooting, like target, competition, or just [...]