MATERIAL: Aluminum / Polymer
COLORS: Black
PLATFORM: HK USC

Allows for either M4 style stocks or ACR style stocks. Adaptor included.

FSC GEN 2. adaptor kit for the HK USC that enables the use of an ACR or M4 shafts (adapter included).

All original parts can be used for the conversion. Since no change in the basic weapon takes place, dismantling is possible at any time. No gun smithing required.

Buttstock not included.