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![]() SIG ARMS AG SIG 556 5.56X45MM NATO Guns International #: 103130818 Seller's Inventory #: 525999 Category: Sig Arms Rifles - Tactical Rifles Seller's Information When emailing or calling sellers direct, please mention that you saw their listing on GunsInternational.com Seller: Guns Dot Com Member Since: 9/8/21 State: Minnesota Zip: 55337 Country: United States Phone: (866) 582-4867 Platinum Seller Number of Active Listings: 41025 Total Number of Listings: 405347 Seller: FFL Dealer Return Policy: 3 day inspection and return policy on used guns. CERTIFIED USED GUNS Guns Certified Used Guns may be returned within 3 days after the transfer is complete for any reason for a full refund, minus any fees, shipping costs and a 15% restocking fee. A Guns Certified Used Gun may also be returned within 7 days if it is malfunctioning with proper use. NON-CERTIFIED USED GUNS Non-certified used guns can be returned if there is a mechanical defect that occurs within 3 calendar days of the physical transfer of the firearm to your possession. All other reasons for returns on non-certified used guns are ineligible. Payment Types Accepted: Discover, Visa, MasterCard, American Express. Financing options also available. About Us: Guns, thousands of products at great prices, you’re sure to find exactly what you’re looking for. You can be confident when you buy from us that you’ll receive an effortless experience and excellent service. Fill out the Contact Seller form below and you’ll receive a direct link via email to view and purchase this firearm at Guns. Due to to current regulations, we do not sell firearms in CT, HI and AK. Description: Guns Listing ID: 525999 The SIG Sauer 556 is a semi-automatic rifle introduced in 2007, designed to blend the reliability of the Swiss SIG 550 with features tailored for the U.S. civilian market. It utilizes a long-stroke gas piston system, renowned for its durability and ease of maintenance, especially in adverse conditions. NextGun - +1 SOFREP +1 Key Specifications Caliber: 5.56×45mm NATO / .223 Remington Operating System: Long-stroke gas piston with a rotating bolt Barrel: Typically 16 inches, cold hammer-forged, with a 1:7 twist rate Magazine Compatibility: Accepts standard AR-15/M16 STANAG magazines Stock Options: Side-folding, fixed, or collapsible, depending on the model Gas System: Two-position adjustable for reliability across various ammunition types and conditions Charging Handle: Side-mounted, similar to the AK platform Modularity: Equipped with Picatinny rails for mounting optics and accessorie SOLD Manufacturer: SIG ARMS AG Model: SIG 556 Caliber Info: 5.56X45MM NATO Condition: Used - Non-Certified Barrels: 16 Action: SEMI AUTOMATIC Finish: blued |