Cybergun FN Herstal Licensed SLP Tactical CO2 Powered 1/3 Shot Semi-Auto Airsoft Shotgun AEG Airsoft Gun 4v is a much shorter

4v is a much shorter version of the Li-Ion battery than the higher voltage ones

This fore grip and flashlight combo works on standard rail systems

2275025 gas blowbacks

Modular helmet accessory side rails

the KWA Original Series shares the same 2

Cybergun FN Herstal Licensed SLP Tactical CO2 Powered 1/3 Shot Semi-Auto Airsoft Shotgun AEG Airsoft Gun 4v is a much shorterFeatures Select able one or three round semi automatic per trigger pull firing system Adjustable hop up setting Picatinny front end for lasers and other accessories Heavy duty polymer stock and handguard. Polymer outer barrel and magazine tube assembly Aluminum receiver with FN trademarks Removable CO2 reservoir hidden inside buttstock Integrated scope rail and built in ghost ring iron sights Semi auto shotgun, fires each time the trigger is pulled