Airtech Studios Buttstock Extension - G&G ARP9 (GOS-V5 Stock) Pistol Platform_Other it has an incredibly hard

it has an incredibly hard kick thanks to the heavy metal slide and stiffened recoil spring

The material is Dupont™ Zytel High Performance Reinforced Polymer

Multiple ambidextrous sling mounting points

Operator's Manual can be found here

Airtech Studios Buttstock Extension - G&G ARP9 (GOS-V5 Stock) Pistol Platform_Other it has an incredibly hardAirtech Studios BSEU (Butt Stock Extension Unit) for G&G ARP9 is an extender designed to fit the G&G GOS V5 stock. This will fit all GOS V5 stocks. The extension is constructed from thick Polymer attaches directly onto the existing stock as a simple upgrade. This allows you to secure your stock against your shoulder a lot easier.