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Sig Sauer SIG551-A1

TACTICAL PRECISION, For 2011, SIG SAUER® is offering several variants to its tactical platforms. New to this lineup is our new SIG551-A1, chambered for the widely used 5.56 x 45mm NATO caliber using Swiss Polymer magazines. The SIG551-A1 features a distinctive swiss folding stock, and an M1913 rail for accessory attachment. The 16” barrel features six-groove rifling and a twist rate of 1:7”. The SIG551-A1 measures 36.1” but can fold to 26”, making it ideal for situations where maximum maneuverability is required. For Special Forces requiring an accurate, more potent rifle, chambered in 5.56 x 45mm NATO, the SIG551-A1 sets a new standard for dependable operation and function.

Caliber: 5.56X45mm NATO
Overall Length: 36.1”
Length w/Stock Collapsed: 34.6”

Length w/Stock Folded: 26.0”
Barrel Length: 16”
Rifling: 1 in 7 in
Sight Radius: 18.0”
Forearm: Polymer
Stock Type: Swiss Type
Weight w/out Mag: 7.0 lbs
Operating System: Gas piston, rotating bolt
Mag Capacity 20/30 rounds
Features: Swiss type folding stock, rotary diopter sighting system
Sig Sauer SIG551-A1 Reviews