AirTac | Gen 4 HPA | CRBN Upper Receiver | Silver / 128mm

Product Description

Features

• Genuine CNC milled carbon fiber and ABS polymer construction
• 40% Stronger nylon frame
• CNC machined 6061 aluminum front sight
• CNC machined 6061 aluminum front 14mm negative thread
• Fiber optic front and rear sights for fast target acquisition
• Dual hop-up 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)
• Lifetime warranty for breakage / defects through the manufacturer)

HPA CRBN Uppers are a sleek way to turn any build into a lightweight beast, made with genuine carbon fiber for strength and durability. Our fourth generation proudly sports new CNC aluminum skeletonized front threads and sights as well a durable and 40% stronger Katana HPA frame.

The HPA CRBN Uppers feature dual hop-up windows, fiber-optic front and rear sights, perfect fitment and CNC aluminum parts. All for the same price!

All uppers are cross-compatible, so you can swap your tubes and parts between any of your CRBN uppers!

Manufacturer: AirTac Customs