CTM - Hi-Capa M4XIMUS HPA Kit - Black Upgrade kit NOT compatible with the Action

NOT compatible with the Action Army Folding Stock

rattle-free fit and reliable feeding every time

Stiffer spring design than stock ones

US Foster fittings

CTM - Hi-Capa M4XIMUS HPA Kit - Black Upgrade kit NOT compatible with the ActionCTM Hi Capa M4XIMUS HPA Kit Black The main body is made of high strength nylon fibre material, making it extremely durable and resistant to damage. Compatible with uppers from all brands, including the original factory upper. Compatible with frames from all brands, including the original factory frames. Supports AEG M4 magazines from all brands. The magazine is made of high strength nylon fibre material, capable of withstanding high pressure air. The