KDG Kinetic Development Group

Rail System - 10" - Black - M-LOK - HK MR556 The 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 MR556 The 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 MR556 The 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 MR556 The 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 MR762 The 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...

Magazine Release - Ambi - HK MR762, 417, G28 The HK 762 Ambi (Ambidextrous) Magazine Release. This is the first ambidextrous magazine release for the HK 417 variant rifles.  The mag release is a...

Kinetic Development Group Sidelok Aimpoint Micro Mount - HK logo The Sidelok is a revolutionary new mounting system for optics. The patented cam system locks the mount down onto Picatinny without the...