Guarder Steel CNC Recoil Spring Guide for MARUI USP Manufacturer_No Brand Main Parts are Made of

Main Parts are Made of Aluminum die-cast 4500g Heavy Body

as that could simply not be realized in plastic in this size

Item Code : MP-AML-AS01

Item Code: CCT-TMHC-081

but still 360degrees air intake for more constant FPS

Guarder Steel CNC Recoil Spring Guide for MARUI USP Manufacturer_No Brand Main Parts are Made of100% Steel CNC Process, Recoil Spring Not Included For MARUI USP GBB Use Only Material: Steel Color: Black Optional Parts: Recoil Spring Set (USP 02) Item no.: USP 03 (The following content is prohibited for any unauthorized use; Rainbow 8 Hong Kong reserves the right for any legal action.) * Toys only, please be safe use of air guns and must be follow the local law requirement for all airsoft use. * * Please note: installing parts assemble fitting