KDG Kinetic Development Group

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...

Rail System - 13.75" - 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 big...

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...

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...

KDG HK MR556 10" M-LOK Rail System Direct-mount rail system designed to replace the factory HK MR556 handguard. Features a continuous monolithic Picatinny rail at the 12 o’clock position and...

Kinetic Development Group Sidelok Modular Optic Mount - 30mm The new KDG Modular Optic Mount is based off the proven Sidelok family of quick detach optic mounts and features the same user-friendly,...