KA Tech Carbon 3D Polarstars Jack HPA M4 Red lasers-flashlights The adjustable rear stock and

The adjustable rear stock and metal quad rail system let's you customize your gun's load out and be comfortable while doing so

upgraded hopup unit

except a few minor scratches on the gearbox

a APS charging handle

KA Tech Carbon 3D Polarstars Jack HPA M4 Red lasers-flashlights The adjustable rear stock andColor options available: Red, Black, Blue, Gold, Purple, White silver Trigger availability: Retro Arms, Maxx brand, Speed no tune with safety slight tune with safety hair tune no safe Carbon Barrel length available: 6 12in (6in shown) Carbon Stock Length available 6 8in (6in shown) Polarstar HPA Engine Available: Kythera, Jack, F2, Fusion Engine Hopup available: ZCI (shown), Retro arms, Maxx, prowin Limited lifetime warranty on all 3D parts Polarstar