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  1. The ARX160A2 comes with a twelve-inch barrel and a dedicated flash hider that allows quick installation of a suppressor.
  2. The ARX160A2 special forces version of the rifle has already bagged two orders, both for about 1000 rifles, one from a Nato nation and one from a Middle Eastern nation, the latter requiring also the 7.62 x 39 mm conversion kit that is fully developed and available.
  3. HK416 is known to be used in limited numbers in Albania, Australia, France, Ireland, Malaysia, the Netherlands, Norway, Poland, Portugal, Serbia and the United Kingdom.
  4. The XM2010 was previously known as the M24E1, which was a major rework of the M24 by Remington.
  5. The new version of the XM2010 ensured optimal accuracy of ranges up to 1200 to 1400 meters when using the Mk 248 Modl round with a 220 grains Sierra Match King bullet.
  6. The HK417 offers three different barrel options; 305, 406, and 508mm, with the weapon ranging from four to 4.6kg.
  7. The G36C is a compact version of the HK417, and is shorter than an MP5 submachine gun with the buttstock folded.
  8. Steyr Mannlicher developed a special forces version of its AUG, due to the major drawback being that it is only able to use the 5.56mm NATO calibre, which is considered by many to be insufficiently powerful in today's operations.
  9. Ruag Ammotec unveiled its new 5.56 x 45 LF HC+ SX “Horizon” ammunition, which has a jacketed hard core made from hardened steel that makes up two-thirds of the bullet's weight.
  10. The U.S. Army and the U.S. Marine Corps are looking for new sniper weapons with a programme known as SR21, which stands for Sniper Rifle 21st Century.
  11. The ARX160A2 comes with a twelve inch barrel and a dedicated flash hider that allows quick installation of a suppressor.
  12. The HK416 is available with four different barrel lengths; 264, 368, 419, and 505mm, with weights varying from three to 3.9kg with an empty magazine.
  13. The FN Scar-H equipped with the FN40GL-H 40-mm grenade launcher was renamed to the Mk17 when adopted by some American special forces units.
  14. In the .338 LM calibre, Barret proposed two bolt-action rifles, the model 98B and the MRAD (Multi-Role Adaptive Device).
  15. The M07A1 was announced in early 2011 and was developed with large use of titanium for the barrel and for the muzzle brake.