MG421

• Advanced hydraulic recoil management system

• Modular pistol grip available in full-automatic configuration or as a selectable single-fire/full-automatic combination

• Cross-coding system prevents incorrect assembly of grip and bolt components

• Designed to withstand barrel obstructions in accordance with NATO AC225/D14 standards

• Safety selector can be engaged in all bolt positions

• Weapon can be charged while in the secured (safe) state

• Over-the-beach operational capability

• Bolt lock function in the event of pistol grip breakage, deformation, or absence

• Catch notches allow intermediate bolt positions during incomplete recoil or loading cycles

• Quick-change barrel with locking mechanism and three detent positions: folded, barrel-change, and carrying/firing

• Visual loaded-state indicator integrated into the receiver cover

• Low-maintenance, highly reliable system designed for extreme high and low temperatures in compliance with NATO AC225/D14

• Fully ambidextrous safety lever

• Ergonomic, non-reciprocating charging handle

• Receiver cover supports high load capacity at a 50° opening angle

• Two-step belt pull system ensures reliable feeding, including with hanging ammunition belts

• NATO STANAG 4694 mounting profile (12 o’clock position) on the receiver cover

• Three-stage gas regulator:

  • [S] Suppressor mode (non-back-pressure-reduced suppressor)

  • [N] Normal operation / back-pressure suppressor mode

  • [H] Adverse conditions mode

• Quick-detach (QD) suppressor interface
• Compatible with FN MINIMI 5.56/7.62 and GPMG mounting interfaces
• Ammunition feed compatible with NATO M13/DM60 disintegrating belts from 60- or 120-round belt pouches