The Lancer Tactical High-Speed Mid-Cap M4 Airsoft Magazine is designed for M4-style airsoft guns. It has a capacity of 130 rounds, providing you with ample ammunition during airsoft skirmishes. The mid-capacity design eliminates the need for winding or feeding, giving you a more realistic and streamlined gameplay experience. The magazine is made from durable materials and features a sleek black finish. It is compatible with most M4-style airsoft guns and can be quickly and easily swapped out during gameplay.