Guarder Steel CNC Recoil Spring Guide for MARUI USP #USP-03100% Steel CNC Process For MARUI USP GBB Use Only Recoil Spring Not Included Weight : 32g Material : Steel Color : Black Item No.: USP 03

Ideal aid to help you aim your target in low-light condition

5KU 14mm- SPARC-M Comp for G Series Black (CCW)

‧Stainless steel

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- CNC Aluminum RMR Plate & Cover x 2

**It will be fit for Marui 18C with Original 18c style BBU

x1 Steel Hupup Chamber Included

hole and parts need to be lubricated before installation

Threading Compatibility - 14mm CCW (Counter Clockwise)

- CNC Aluminum Slide x 1

100% Aluminum CNC Process

-Supporting high power upgrades which means it'll be more durable