Lithgow Arms USA’s ATRAX is Like the AUG, Only Better
One of the first successful bullpups to be fielded by a modern army, the AUG or Armee Universal Gewehr to give it its full title, is surprisingly conventional beneath its attention-grabbing plastic exterior. Unlike the HK G11, there are no telescoped, caseless wunderpatrone fed by a Swiss-watch-like hyperburst mechanism.
Instead, a detachable box mag offers plain vanilla 5.56 NATO into a hammer-forged barrel, where they’re locked into place by a multi-lugged bolt popularized by Stoner’s system. A short-stroke gas system dating to the 1920s acts on a milled bolt carrier, which runs on twin guide rods vaguely reminiscent of an AR-18.
Placing the magazine well behind the trigger did confer a number of advantages, however, chief of which being a truncated OAL — useful if your main strategic threat lay on the other side of the Fulda gap and your infantry was destined for a short, active life, jumping in and out of armored fighting vehicles.