S&T ABS M4 Mid Cap Magazine (130 Rounds) Black

S&T ABS M4 Mid Cap Magazine (130 Rounds) Black A spare M4 mid cap magazine that holds 120 BBs. This is the standard STANAG style M4 magazine, so it should fit into most airsoft M4 AEGs. They are completely ABS construction which is much lighter weight and cheaper than steel magazines. Features: Plastic construction STANAG style 120 BB capacity