What is the material of the front thread?
AirTac Customs GEN 4 HPA CRBN Upper | 128mm / 155mm
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Open Feb 05, 2026 - 07:49 AM
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Feb 05, 2026 - 07:49 AM
The front thread on the airtac crbn upper is CNC machined from 6061 aluminum. CNC machining ensures precision and durability, while 6061 aluminum is known for its strength and corrosion resistance, making it reliable for repeated use.
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AirTac Customs GEN 4 HPA CRBN Upper | 128mm / 155mm
AirTac Customs GEN 4 HPA CRBN Upper | 128mm / 155mm Features: Lifetime Warranty for breakage / defects CNC machined 6061 Aluminum Front Thread CNC machined 6061 Aluminum Front Sight 40% Stronger Nylon Frame Genuine Carbon Fiber tube Fiber optic front and rear sights for fast target acquisition Dual ...
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