Notes: This is a version of the AUG assault rifle using a much longer and heavier barrel and bolt. There are two basic versions of the AUG LSW: the HBAR (Heavy Barreled Automatic Rifle), which fires from a closed bolt like the assault rifle version of the AUG, and the LMG (Light Machine Gun) which fires from an open bolt, and is better for sustained fire from a cooling point of view. Both versions have a quick-change barrel with an attached bipod. The HBAR uses the standard carrying handle/sight combination; the LMG has the sight’s magnification increased to x4. The LMG’s handle/sight combination may be removed and replaced with a Picatinny Rail (in which case, it is known as the LMG-T). The AUG LSW normally fires from an extended 42-round magazine, though it may also use standard AUG magazines. The kit that allows the AUG to use M-16-style magazines can also be fitted to the AUG LSW.