-- Metal construction-- Double ball bushing bearings..
Material:Steel Type:6mm         6pcs/set Gross weight:10g..
-- Material: steel + 304# stainless steel-- CNC machining-- QD spring guide -- Suitable for ARE..
Thickness:Octagon: 0.1mmCircle: 0.15mmRed Circle: 0.2mm9 pcs of each type    Gross Weight:..
Material: steelTechnology: CNC MachiingTreatment:QPQFor TM and P90 Series Airsoft Electric Gun serie..
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