HK416, MR556 ARC-Fire Trigger - 3-Position - Ambi Controls

HK416, MR556 3-Position ARC-Fire Trigger with Ambidextrous Controls AS Designs' ARC-Fire (Active Reset Clutch) trigger is an innovative take on forced reset triggers. The trigger is reset immediately after each shot, resulting in rapid follow-up shots with one compliant round per trigger action sent down the barrel. Standard AS Designs AR-15 ARC-Fire kits are not compatible with the HK416 and MR556 platform. This kit provides the necessary modifications and components to function in those platfo