Airtech Studios G&G ARP9/556 BEU (Battery Extension Unit) - Black Chronographs LA5C models feature:

LA5C models feature:

Authentic weight and size as the real H&K model

the de-cocker and slide lock are bunched slightly closer together to make operation with one hand much easier

If we cannot repair your product

but the hammer does cock and release as you pull the trigger for each shot

Airtech Studios G&G ARP9/556 BEU (Battery Extension Unit) - Black Chronographs LA5C models feature:Airtech Studios BEU (Battery Extension Unit) for ARP 9 556 is a battery compartment extender designed to fit the G&G ARP 9 556 which allows the use of a wider range of larger batteries. The case is constructed from thick Polymer and clips directly onto the existing battery storage compartment as a simple drop in upgrade, and features walls which match the thickness of the existing battery compartment to increase its resistant to Shock and Impact