Beta Project 140rd EXP Mid-Cap Magazine for M4 Series Airsoft AEG

The Beta Project (EXP) Magazine is a new take on the mid-capacity polymer mags for airsoft AEG's. Constructed from High Density Polymer, this magazine is remarkably rugged and features a solid weight.  Features: High density Polymer construction No winding, no rattling mid-cap magazine Recessed panels offer a better grip for easy magazine manipulation Mag well guides help reduce the possibility of snagging Durable high efficiency steel follower spring Compatibility: For Tokyo Marui, Matrix, APS, G&P and other compatible M4 / M16 Series Airsoft AEG RiflesCapacity: 140rds (No Winding Required)Manufacturer: Beta Project