`modular-rifle` Related Article Results

The HK33 infantry rifle is a firearm system developed by the German arms manufacturer Heckler & Koch in the 1960s and chambered for 5.56x45mm NATO ammunition. This rifle was designed to align with the NATO standardization process for ammunition transition. Its design is based on the recoil-operated and roller-delayed mechanism used in Heckler & Koch’s earlier model, the G3. During its development, as the shift toward lighter ammunition accelerated, the HK33 was adopted into service by se