SG550

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SIG SG550-1 Sniper Rifle

  • Caliber: 5.56mm NATO (.223 Rem)
  • Action: Gas, semi-auto
  • Overall Length: 44.5 inches 
  • Barrel Length: 26 
  • Weight (empty): 15.48 lbs 
  • Cyclic ROF: n/a 
  • Capacity: 5, 20, or 30rd detachable box magazine 
  • Muzzle Velocity: ~3215 fps

In these politically correct times, terms such as “Sporter”, Match", and Target" inappropriately find their names attached to rifles which, in more innocent days, would have been given titles containing letters and numbers designating a military heritage. For a rifle to be called a “Sniper” these days, it had better be up to par!

Enter the SIG SG 550-1 Sniper. Manufactured in Switzerland by Schweizerische Industrie Gesellschaft (SIG), this semiautomatic rifle chambered in .223 Remington caliber (5.56 X 45mm) more than lives up to its name. Introduced into the company’s lineup around 1989, it’s always been somewhat of a limited issue item. Its design is based on the SIG 550 series of military assault rifles known in Switzerland as the Sturmgewehr 90 (Stgw 90). But this hybrid rifle is manufactured with sniper specific features totally unique from the main issue battle rifle of the Swiss army.

This accurized rifle has a refined two-stage trigger (the pull force was reduced from 35 N (7.9 lbf) to 15 N (3.4 lbf), a heavy, hammer-forged 650 mm (25.6 in) long barrel with a 254 mm (1:10 in) rifling twist rate (it has no flash hider) and is used exclusively with telescopic sights. The new folding stock has an adjustable cheek piece and a spacer system on the butt, the ergonomic pistol grip’s angle of inclination can be regulated and the bipod features a height and cant adjustment mechanism. The SIG SG 550-1 Sniper is by far one of the most user adjustable rifles ever made.

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Marksmanship badge in Switzerland

Shooting program

Target A5:

  • Shot by shot, 5 rounds

Target B4:

  • Shot by shot, 5 rounds
  • Rapid Fire:

_______1x 2 rounds in 20 seconds

_______1x 3 rounds in 20 seconds

  • Speed Fire: 

_______1x 5 rounds in 40 seconds


Target A5: points from 1 to 5

5 is the 20cm wide center, then each two circle are the other points. Each circle has 5cm more radius meaning 4 is 40cm wide, 3 is 60cm wide 2 is 80cm wide and 1 is 100cm wide.

Target B4, points from 1 to 4

4 is the two central circle giving a 20cm wide target. 3 is the rest of the black target. 1 is the 3 outer circles and 2 is what’s between 1 and the black target.

Iron sight only

Maximum possible is 85 points, goal for marksmanship badge is 72 points. This means you have to hit all 20 shots in 40cm target with at least 7 of them in the 20cm part.

Civilians shooters in switzerland usually shoot between 70 and 80 points