DCI GUNS - RMR Dot Sight Mount V2.0 for Tokyo Marui HK45
Weaponsmart | HECKLER & KOCH HK45 TACTICAL
Sandgrips SandGrips HK45 Sandgrip - Skirmshop
Country Attic Treasures - The HK45 Compact Tactical, in stock and currently available! The HK45 Compact Tactical builds on the tough, military lineage of the Heckler & Koch HK45 series of handguns