• German gunmaker Heckler & Koch is competing for Project Grayburn, the British Army's first full rifle replacement in four decades.
  • H&K will offer up to three options, including an upgraded SA80 and the HK416, already chosen by Germany's Bundeswehr.
  • Rivals include Belgium's FN Browning, Italy's Beretta and Sig Sauer, with the winner supplying 150,000 to 180,000 new rifles.