VFC BCM AMBI Charging Handle Mod 4X4 for M4 AEG PK371 The ERG simulates recoil via

The ERG simulates recoil via a proprietary Kinetic Feedback System

Gen II Hop-up Chamber

a thermoplastic polyester derived from renewable resources

6v Small Butterfly Type recommended (Battery not included)

The stock is not only adjustable in terms of length of pull but its angle is also adjustable

VFC BCM AMBI Charging Handle Mod 4X4 for M4 AEG PK371 The ERG simulates recoil viaThe VFC BCM Air BCM Gunfighter ambidextrous charging handle for M4 AEGs is a high quality accessory designed to ease of use for both left and right handed shooters. The charging handle is fully licensed and features BCM markings on it. Compatibility: VFC M4 AEG Series Airsoft Guns Standard M4 AEG Series Airsoft Guns (modifications may be necessary) Includes: x1 VFC BCM GUNFIGHTER Ambidextrous Charging Handle Mod 4X4 for M4 AEG