SIG Sauer SIG516

The SIG Sauer SIG516 is a firearm manufactured by SIG Sauer. It is an AR-15 style rifle chambered in 5.56×45mm NATO.[1] Introduced in 2010, the SIG516 was discontinued as of 2019.[2] A variant chambered in 7.62x51mm NATO, the SIG716, remains in production.[3]

SIG 516
The SIG 516 Tactical Patrol 14.5″
TypeSemi-automatic rifle
Assault rifle
Place of originGermany
United States
Service history
In service2010–Present
Production history
ManufacturerSIG Sauer
Produced2010–2018
VariantsSIG716
Specifications
Cartridge5.56×45mm NATO (SIG516)
7.62×39mm (SIG516)
7.62×51mm NATO (SIG716)
6.5mm Creedmoor (SIG716)
ActionShort-stroke piston, rotating bolt
Feed system10, 20, 30-round detachable magazine
SightsIron sights

Design details

Operating mechanism

The SIG516 is a semi-automatic multi-caliber rifle, intended for civilian and law enforcement markets. The same family also includes selective-fired (single shot, 3 shot burst, full automatic modes) assault rifles, strictly intended for law enforcement and military use.[4] It fires from a closed bolt, and has a short-stroke push rod piston system. The gas piston pushes the bolt carrier rearward, where it is returned to the forward and locked position by a spring. This process loads the next cartridge. The 516 has a four position gas regulator, allowing the user to choose the amount of gas directed to the piston.

Features

The SIG516 has a safety lever on the left side, to be used by the thumb of the shooting hand. The gas block integrates an adjustable gas regulator. The front gas block is railed to accept the front sight with a flip-up sight post. SIG516 models are equipped with an M16A2 style bird-cage flash hider.

All SIG516 models except the Marksman are equipped with 16 inch barrels shrouded by a free-floating M1913 Picatinny rail, as well as flip-up iron sights (BUIS) made by SIG Sauer.

The 5.56×45mm NATO SIG516 models accept AR-15 style box magazines. These magazines are constructed in 5-, 10-, 20-, and 30-round variants. SIG516 Russian rifles must use a different magazine, as they are chambered in 7.62×39mm. The SIG516 Russian uses magazines designed for 7.62×39mm AR-15 style rifles. The rifle is hammer-fired and has a two-stage trigger mechanism in the SIG516 Marksman, while all others have a military specification single-stage trigger.

Variants

The SIG716 is battle rifle/designated marksman rifle (DMR) variant,[5] which is based on the same design, but is chambered for the larger 7.62x51mm NATO round and uses SR-25 pattern magazines.[6]

The SIG716 G2 (Generation 2) variant features a short-stroke pushrod gas system. This operating system reduces carbon fouling, excessive heat and unburned powder in the action, ensuring further improved reliability and function.[7] The G2 Patrol model is chambered in 7.62x51mm,[8] while the G2 DMR model is chambered in 6.5mm Creedmoor.[9]

Users

See also

References
  1. "SIG Sauer's SIG516: Expect the unexpected". American Rifleman. Archived from the original on 10 December 2011. Retrieved 9 February 2012.
  2. "Sig apparently discontinues the 516 rifle". glocktalk.com. 11 January 2019. Retrieved 3 June 2020.
  3. "Full Rifle/Pistol Catalog". sigsauer.com. Retrieved 3 June 2020.
  4. "SIG516 tactical rifle". World.guns.ru. Archived from the original on 26 December 2012. Retrieved 16 January 2013.
  5. "SIG716". SIG Sauer. Archived from the original on 28 February 2019. Retrieved 28 February 2019.
  6. "SIG SG 716 (Sturmgewehr Model 716) Battle Rifle / Carbine / Designated Marksman Rifle (DMR) - Switzerland". www.militaryfactory.com. Archived from the original on 1 March 2019. Retrieved 28 February 2019.
  7. "SIG716". sigsauer.com. Retrieved 8 March 2020.
  8. "SIG716G2 Patrol". sigsauer.com. Retrieved 8 March 2020.
  9. "SIG716G2 DMR FDE/BLK". sigsauer.com. Retrieved 8 March 2020.
  10. "México llega al Rimpac 2018 equipado con el Sig Sauer 5.56". Archived from the original on 17 July 2018. Retrieved 18 July 2018.
  11. "geo-army.ge". Geo-army.ge. Archived from the original on 29 May 2014. Retrieved 25 June 2017.
  12. "SIG Sauer SIG716 for India". Times of India. 11 December 2019. Archived from the original on 1 March 2019. Retrieved 28 February 2019.
  13. Archived 7 August 2015 at the Wayback Machine
  14. "Mit dieser Waffe reagiert die Aargauer Polizei auf die Pariser Anschläge". M.aargauerzeitung.ch. 11 January 2016. Retrieved 25 June 2017.
  15. "Özel harekâta özel silah | Şanliurfa Haberleri". Urfa1.com. Archived from the original on 25 March 2014. Retrieved 25 June 2017.
  16. Dodd, Vikram (29 June 2015). "Scotland Yard creates SAS-style unit to counter threat of terrorist gun attack". The Guardian. Archived from the original on 28 September 2016. Retrieved 16 December 2016.
  17. "Birmingham accidental firearms discharge investigation complete – Independent Police Complaints Commission". Ipcc.gov.uk. Archived from the original on 6 April 2016. Retrieved 24 March 2016.
  18. "Cincinnati SWAT selects SIG516 CQB; Delaware State Police pick SIG516". Tactical-life.com. 11 April 2015. Archived from the original on 3 July 2017. Retrieved 25 June 2017.
  19. Phillips, Sandra (26 February 2013). "SDPD given new SWAT equipment". fox5sandiego.com. Archived from the original on 17 October 2017.
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