ECHO-1 USA High Capacity Magazine For Model K-74 (500 Rds) Sub-Machinegun 4 model features reinforced Blowback

4 model features reinforced Blowback unit and slide for durability and the modular back strap system which allows you to change the fit and feel of the grip to better suit your hands (Spare Back Straps Included

52 MPS Energy Output with 0

Capacity:21 rounds Standard Mag

Cybergun Thompson M1A1

ECHO-1 USA High Capacity Magazine For Model K-74 (500 Rds) Sub-Machinegun 4 model features reinforced BlowbackDescription: ECHO 1 USA High Capacity Magazine For Model K 74 (500 Rds) Capacity: 500 Rds Material: Molded Polycarbonate Compatible With Tokyo Marui, Classic Army & ICS AEGs May be compatible With Other Brands But Not Guaranteed