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Anodized hard treatment in cobalt blue color adds to durability and that custom look
The precision sear ensures a crisp and positive trigger break for consistent shots every time
Semi/Full-auto
The rugged M600U attaches quickly and securely to any MIL-STD-1913 rail via its integral thumbscrew clamp
KA Tech Carbon 3D Polarstars Jack HPA M4 Red Action Army Anodized hard treatment in cobaltColor 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
