SIG SG 551-1P

Law Enforcement Rifle SG 551-1P

Developed specifically for law enforcement assignments at short to medium intervention ranges up to 300 meters.

Universal Firearm

Self-loading pistols and sub-machine guns in 9 mm Para caliber are essentially short-range weapons with corresponding stopping power. The SIG 551-1P, in contrast, is an outstanding weapon system for special units when confronted with sudden engagement situations against mobile delinquents at short to medium ranges.

Design Concept

This highly compact weapon is based on the service-proven design concept of the assault rifle SG 550. The ballistic capabilities of its ammunition provide effective stopping power against any delinquent. Optimal weapon configuration and excellent weight distribution result in convincing accuracy and recoil characteristics.

Handling Characteristics

Handling of the SG 551-1P is enhanced by the following features:

  • Ambidextrous safety catch
  • 3 modes of fire:
    • Single-shot
    • 3-round burst
    • fully automatic (with lock)
  • Folding butt
  • Ergonomic layout
  • Simple attachment of cheekpiece in combination with scope sights
  • Patented system of magazine stacking and easy changing
  • Lightweight, transparent magazines of 5, 20 or 30-round capacity
  • New Hensoldt scope 6x42 BL, developed specifically for this rifle and offering the following advantages:
    • Rapid adjustment for windage and elevation. (Range settings from 20-500 m)
    • Betalite reticule illumination, variable.
    • Special lens coating for optimal brightness.
    • Removable threaded rubber eyeguard.
    • Flip-open lens caps.
    • Quick-change scope mounts.
    • Blind ring when eyeguard is not fitted.

    The new SIG SG 551-1P meets all technical and operational specifications that may be required of a low-enforcement rifle:

  • Low weight factor
  • Compact dimensions
  • Exceptional accuracy
  • Functional safety, reliability
  • Simple handling, also for left-handers
  • Rugged design
  • Excellent ergonomics
  • Matching accessories
  • Effective training and maintenance logistics (same as model SG 550)
  • SIG SG 551-1P Technical Specifications
    Caliber 5.56mm NATO (.223 Rem)
    Ammunition Feed Staggered magazines; 5-, 20, or 30-round capacity
    Rifling 6-groove, right hand twist of either one turn in 250mm or one turn in 178mm
    Sight Radius 466mm
    Weight: with
    empty magazine
    3.4 kg
    Barrel length 363mm
    Overall length 833mm
    Length with
    butt folded

    Images and Information Courtesy of Schweizerische Industrie-Gesellschafte