HK 33EA2 5.56mm x 45 with standard 390 mm barrel
HK 33EA2 5.56mm x 45 with short 322 mm barrel

HK 23E 5.56mm x 45

HK G36 5.56mm x 45 with carry handle, HKV and dual combat

HK G36C 5.56mm x 45

HK G36E 5.56mm x 45 with 480mm barrel

HK G36K 5.56mm x 45 with 320mm barrel

HK G36KE 5,56mm x 45 with 320 barrel

HK GMG 40mm x 53

HK HK53EA3 5.56mm x 45 with 211mm barrel

HK MP5 A4 9mm x 19 with 3-round burst trigger group

HK MP5A3 9mm shown with optional 0-1-2 trigger group

HK MP5KA4 9mm x 19 with 3-roun burst trigger group

HK MP5K-PDW 9mm with Navy trigger group

HK MP5-N 9mm with Navy trigger group -------Used by US Navy

HK MP5SD3 9mm with integral aluminium sound supressor

HK MP5SFA2 9mm x 19 with SF trigger group

HK PDW 4,6mm x 30

HK PDW 4,6mm x 301

HK UMP 9mm x 19

HK MP5K 9mm with standard S-E-F trigger group