It all started with the military and its need to attach an increasing amount of stuff to M16s and M4s that had a lot of unused handguard real estate. And, in the end, it was the military that ...

Hand Guard: CMMG RKM14 KeyMod hand guard Furniture: Magpul MOE pistol grip, MOE carbine stock Receiver: Forged 7075-T6 AL M4 type upper, AR15 type lower Trigger: Geissele Automatics SSA ...

The Centurion Arms CMR is a lightweight, free-floating AR-15-style handguard that is offered in both KeyMod- and M-LOK-compatible models. A continuous MIL-STD 1913 Picatinny rail runs the length ...

KAC covers a concise history of their handguard systems before showing how to install the new URX4 on an AR upper. A couple things set this rail system apart. First, it uses the KeyMod attachment ...

The QC5 makes use of a custom pistol brace developed by QC10, and comes with a KeyMod handguard. Given the level of customization that end-users are afforded with ARs, it’s not so far fetched to ...

Some minor parts are swapped: the original MCX came in a flat black finish with a Keymod handguard standard, the new MCX Virtus seems to feature a flat grey finish as standard with an M-LOK ...