This adapter created for the Machinegun Ammo box M249. It's attaching to the gearbox and installing in the Machingun.
You can buy two, three or more Ammo Box and only one adapter. It's universal and will fit ANY Ammo Boxes made by Bullgear company.
1. Installing in Machinegun and connecting to the Gearbox.
2. Can be used with different Ammo Boxes.
3. You can buy one adapter and multiple quantity of the Ammo Boxes!
Weight: 80 gram