Bolt catch & bolt release for faster reloads
Ambidextrous charging handle with ergonomic design
Replacement screw set for Master Mount side rail
Rex delta OEM slide cover plate.
RED or FDE color
Rex Delta OEM safety latch.
Enhanced magazine release button that can be set to left or right side. Made for Rex Alpha but can be also fitted to other Rex Zero handguns with slight modification to the grips.
A set of springs for Rex Zero 1
Catalog number: 402021
Catalog number: 402185