Jack™ HPA Conversion Kit M4 Warhead Industries 5 brightness setting for red/green

5 brightness setting for red/green illumination

fits Weaver/ Picatinny/ MIL-STD 1913 type rails

Compact Green Laser with Weaver style clamp on mount will fit most weaver & Picatinny type rails

The Max Reloader also has an anti-jamming

High Quality Construction with Hard Anodized Aluminum and STeel construction

Jack™ HPA Conversion Kit M4 Warhead Industries 5 brightness setting for red/greenThe JACK was designed to answer the demand for an affordable, high performance HPA (High Pressure Air) conversion for AEG's. The system is a drop in cylinder replacement that is universally compatible with a wide range of gearbox versions that have center line nozzles.