KDG Kinetic Development Group

Rail System - 10? - Black - M-Lok - HK MR556The New KDG HK 556 M-Lok rails are direct mount rail system, replacing the factory HK 556 rail systems. These new rails are identical in design to their...

Rail System - 13.75? - Black - M-Lok - HK MR556The New KDG HK 556 M-Lok rails are direct mount rail system, replacing the factory HK 556 rail systems. These new rails are identical in design to...

Rail System - 13.75? - Brown - M-Lok - HK MR556The New KDG HK 556 M-Lok rails are direct mount rail system, replacing the factory HK 556 rail systems. These new rails are identical in design to...

Rail System - 10? - Brown - M-Lok - HK MR556The New KDG HK 556 M-Lok rails are direct mount rail system, replacing the factory HK 556 rail systems. These new rails are identical in design to their...

KDG - M-Lok Rail System - 14" - Black - HK MR762The HK 762 M-Lok rail is a direct mount rail system, replacing the factory HK 762 rail systems.  The new rail utilizes the M-Lok system, is lighter,...

Magazine Release - Ambi - HK MR762, 417, G28The HK 762 Ambi (Ambidextrous) Magazine Release. This is the first ambidextrous magazine release for the HK 417 variant rifles.  The mag release is a...

The Sidelok is a revolutionary new mounting system for optics. The patented cam system locks the mount down onto picatinny without the need of tools, side levers, or huge knobs. The release system...