Heckler & Koch Heckler & Koch HK417 Heckler & Koch UCP Heckler & Koch G3 Heckler & Koch MP5 Heckler & Koch G36 Heckler & Koch SL8 Heckler & Koch UMP Heckler & Koch HK45 Heckler & Koch PSG1 Heckler & Koch USP Heckler & Koch MP7 Heckler & Koch MG5 Heckler & Koch XM8 Heckler & Koch AG36 Heckler & Koch G41 Heckler & Koch AG-C/GLM Heckler & Koch HK416 Heckler & Koch P2000 Heckler & Koch P11 Heckler & Koch GMG Heckler & Koch HK69A1 Heckler & Koch P2A1