The HK PSG-1 is a German sniper rifle designed and manufactured by the German company Heckler & Koch. The PSG stands for the German words "PrÃ¤zisions-ScharfschÃ¼tzen-Gewehr". In English, the German words mean "precision sniper rifle". The sniper rifle is a semi-automatic weapon.
The XM8 is a developmental United States military project name and designation for a lightweight and reliable assault rifle system that was under full scale development by the U.S. Army from the late 1990s through the early 2000s.