Sig Sauer 551-A1 .223 Remington/5.56 NATO 30-Round 16" Semi-Automatic Rifle in Black - R551A1F16BCR

Sig Sauer R551A1F16BCR SIG551-A1 Semi-Auto 223 Rem/5.56 NATO 16" 30+1 Fold Stk

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 a M1913 rail for accessory attachment. The 16" barrel features a four-grove 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.