Valken Mid-Cap Thermold 140rd Airsoft Magazine, 5 pack, Black

Lightweight and durable, this magazine doesn't require winding. Its standard design ensures it can fit into every pouch for M4 magazines, and the hard polymer it's made of guarantees it can take a lot of punishment. Loading BBs into the Mid-CAP Thermold magazine requires a speedloader, which the package doesn't include. Features: Robust feed spring ensures reliability Quiet stealth operation for discreet gameplay Constructed from lightweight thermold polymer Hassle-free design with no winding needed Compatible with standard magazine and dump pouches Fits most major M4 airsoft rifle brands Speed loader necessary for BB loading