SIG SAUER SG 551 SPORT - with Picatinny rail

The SG551 is a specialized and extremely robust weapon in caliber 5.56 mm (.223 Rem.), specifically designed for the demanding use by security and special forces. As an indirect gas-operated rifle with a rotating bolt, this platform offers the highest reliability and precision under extreme conditions. The system is available in various specialized configurations, including the SG551-1P, variants with corrosion-resistant coating, and the SG551 LB carbine with a barrel extended to 454 mm. The weapon is equipped with a folding stock and provides an excellent balance of compactness and firepower.
Features

Indirect gas-operated rifle with robust rotating bolt
Designed for professional use by security and special forces
Available in specialized variants (e.g., with corrosion-resistant surface and sight mount)
Available with different twist lengths: 178 mm (7") or 254 mm (10")
Compact transport dimensions due to folding stock (607 mm when folded)
Magazine capacities modularly selectable (5, 10, 20, or 30 rounds)

Areas of Application

Official: Specifically developed for use by police, security forces, and military special units.

Technical Data

Model
SG551 (including variants such as SG551-1P and SG551 LB)

Operating Principle
Indirect gas-operated rifle

Bolt
Rotating bolt

Caliber
5.56 mm (.223 Rem.)

Overall Length
833 mm

Length When Folded
607 mm

Weapon Height
210 mm

Sight Length
466 mm

Barrel Length (LB Variant)
454 mm (17.9")

Twist Length
178 mm (7") or 254 mm (10")

Number of Grooves
6

Weight (Empty)
3,400 g

Weight (with 20 / 30 Rounds)
3,740 g / 3,880 g

Combat Weight (with 120 Rounds)
5,400 g

Trigger Weight
35 N (3.5 kg)

Rate of Fire
Approx. 650 rounds / min

Muzzle Energy
1,360 J

Scope of Delivery

1x SG551 (delivery without optics)
10-round magazine
Case
Cleaning kit NATO
Operating instructions

For more information & products from this manufacturer, visit:
www.sigsauer.swiss