Blackvariable APFG MCX buffer Variant:Both Buffer Combo This replaces the stock hop-up

This replaces the stock hop-up arm that can cause BB overhop on the lowest setting

2 feet at 100 yards

VFC Gas key with screws

- Silver spring: Soft elastic spring setting is recommended to reflect the decrease in gas vaporization rate in winter

Blackvariable APFG MCX buffer Variant:Both Buffer Combo This replaces the stock hop-upWARNING PREORDER NOW EARLY AUGUST DELIVERY Aftermarket buffer suitable for VFC APFG's MCX GBBR. The original buffer for the rattler is a solid block but that just means the bolt just slams into it and maybe even the lower receiver, which is a possible reason for the APFG MCX lowers cracking. The Spring Enhanced Buffer uses a spring and very slightly short strokes the bolt: resulting in this Enhanced Buffer being the first thing that the BCG hits to