The SAN 511, formerly OM 50 Nemesis, is a bolt action sniper rifle made by Swiss manufacturer Swiss Arms (formerly AMSD). It was created in early 21st century. It fires the .50 BMG cartridge. It is a derivative of the French sniper rifle Hecate II made by the manufacturer PGM. It has a reported accuray of 0.5 minute of arc (MOA) at 300 m (980 ft) and under 1 MOA at 1,000 m (3,300 ft).
|SAN 511 / OM 50 Nemesis|
|Type||Bolt-action sniper rifle|
|Place of origin||Switzerland|
|Manufacturer||Swiss Arms (formerly AMSD)|
|Mass||12 to 15 kg (26 to 33 lb)|
|Length||1,100 to 1,500 mm (43 to 59 in)|
|Barrels||380 to 810 mm (15 to 32 in)|
- Azerbaijan:Used by Special Forces and State Border Service (DSX)
- Georgia: Used by Georgian Special Operations Forces.
- AMSD notice of manufacturer change, Dec 2010
- Nemesis .50 BMG Patrick Sweeny, Guns & Ammo, 08-2009 Archived 2013-01-24 at archive.today
- Archived 2010-07-25(Date mismatch) at the Wayback Machine
- "Georgian Army". Georgian Army. Archived from the original on 2012-03-09. Retrieved 2007-06-25.