The MILSIG ELITE HP Custom is based on MILSIM’s ELITE PRO K-series markers. It comes equipped with a 552 holosight for rapid target acquisition and a CNC machined rail interface system. Additional standard parts include the 13CI HPA carbine stock and 13CI refillable HPA cylinder with regulator. Also included is one 20 round magazine, magazine feed kit, hopper feed kit, barrel cover, and mini tool kit.