AirTac Customs HPA CRBN Upper Color:Blue • Digital Control -

• Digital Control -

Inner Barrel: 475mm

This is the popular size for longer M4 airsoft guns

Comfortable rubber butt pad

AirTac Customs HPA CRBN Upper Color:Blue • Digital Control -HPA CRBN Upper: Lifetime Warranty for breakage defects CNC milled Carbon Fiber and ABS Polymer Genuine Carbon Fiber tube Fiber optic front and rear sights for fast target acquisition Dual hopup windows for on the fly adjustments Perfected drop in fitment on a G&G lower with a Maxx hopup Included Fiber Optics Rods (Green and Red) Available in Glossy Black, Matte Black, Red, Blue, Purple, Silver, and Gold tube colors Compatible with: Polarstar Fusion