VFC M16A2 GBB M4 Magazine V4 (Green Gas) PK424 Low-impact CO2 air burst is

Low-impact CO2 air burst is safe and effective

A big advantage is that there is no need to use any additional wires

•    4-position fire selector with custom settings

An HPA conversion will allow you to adjust muzzle energy on the fly

VFC M16A2 GBB M4 Magazine V4 (Green Gas) PK424 Low-impact CO2 air burst isThe VFC M16A2 Green Gas Magazine V4 is designed for VFC M4 AR15 style GBBRs. It is green gas compatible and has a 30 round capacity. This particular magazine is a fully licensed product of Cybergun and Colt, and has Colt markings on the base plate. Capacity: 30 Rounds Compatibility: VFC M4 AR15 Series Gas Airsoft Rifles Includes: x1 VFC M16A2 Green Gas Magazine V3 (30 rounds Airsoft Magazine) Gray