Silverback Replacement Screw set For MDRX Gearbox

Key Feature Metal Construction Airsoft Screw Design For Replace the Original Airsoft Internal Parts Suitable For MDRX Airsoft Rifle Gearbox (V1/V2/V3) Package Included: M3x5 ISO4762 ? 3 pieces M3x16 IO4762- 1 piece M4x12 ISO4762 ? 4 pieces M4x18 ISO14581 ? 2 pieces M10-1?8 ISO4029- 1 piece M10-1 ISO4035- 1 piece