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but it was specifically designed for the above
Note that each back contains 4000rnds regardless of weight
-Up/down adjustment indicators
1 x regulator
It looks cool
Airtac CRBN HPA upper Gen. 4 Color 155mm:Silver - 155mm but it was specifically designedIntroducing the Gen 4 HPA CRBN Uppers a new level of durability! Airtac CRBN HPA Upper for M4 AEG bodies. Turn your AEG into a HPA speedsoft monster build with this fancy upper from Airtac Customs USA. Designed and made by Airtac Customs in USA, this is a nice uppper that combines style with efficient ergonomics. Made from a carbon fiber tube with a custom designed and 3D printed chassis that includes fiber rod front and rear sights. And it goes
