Guarder Steel Slide Stop for Marui M9/M92F (Black) Special Force G&P Full Metal Custom M4

G&P Full Metal Custom M4 Series based on WA M4 Gas Blow Back Rifle  WA internal parts with all possible METAL upgrade from G&P such as Hop-up chamber set  Crispy Metal Sounds & Smoother slide cycling  Upgrade Include:  -WA M4A1 Metal Body (WP01)  -WA M4 Handguard Kit (Shorty) (WP22)  -WA M4 CQB/R Steel Outer Barrel (WP21)  -WA M4A1 Spare Magazine (50rds)  -WA M16A2 Grip (Black) (WP44B)  -WA M4A1 6 Position Sliding Buttstock (Black) (WP61B)  -WA Hammer Set (WP11)  -WA M4 Trigger Guard (WP25)  -WA Steel Stock Ring (WP26)  -WA M4 Steel Sear (WP33)  -WA M4 Bearing Hammer Pin Set (WP34)  -WA Steel Bolt Stop (WP51)  -WA SPR Type Cocking Handle (WP52)  -WA M4 Hammer Lock (WP57)  -WA Steel Magazine Catch (WP65)  -WA Steel Selector (WP69)  -WA Steel Forward Assist (WP76)  -WA M4 Aluminum Buffer (WP81A)  -WA Complete Bolt Carrier (Negative Pressure) (WP113)  Aluminum Made 14mm Clockwise barrel extension tube  Sling mount can be installed with any single

Aircraft 6061 Aluminum construction

MOSFET for ASK AK AEG (V3 Gear Box)

You could try how realism of strong recoil action from GBBR

Featuring Detachable RIS rail attachment & Solid crispy blow back job

Guarder Steel Slide Stop for Marui M9/M92F (Black) Special Force G&P Full Metal Custom M4Full Steel Construction Replace Marui Original Slide Lock Constructed by P Process Surface Finish Technology Suit for Tokyo Marui M9 M92F Series Gas Blow Back Airsoft Pistol