Description
Item Description
Bryant Ridge Co. is pleased to present a semi-automatic rifle that redefines the standard for modularity, reliability, and performance in the modern rifle platform, for a penny-start auction; this is the Sig Sauer 556xi!
According to the owner, this example is in “New Old Stock” condition, and we see no evidence to suggest otherwise.
SPECIFICATIONS:
Manufacturer: Sig Sauer
Model: 556xi
Serial: 34C000119
Date of Manufacture: 2014
Caliber: 5.56 NATO
Finish: Black
Barrel Length: 16" with Three Prong Flash Hider
Optics/Sights: Flip-Up Sights - Wing-Protected Post Front with Aperture Peep Rear
Stock/Grips: Black Swiss Style Folding Stock with Removable Cheek Riser, Polymer Pistol Grip, and Handguard
Action: Semi-Automatic Rifle
Markings: Standard
Bryant Ridge's Analysis:
The SIG Sauer 556xi (R556XI-16B-C) is a piston-driven AR-pattern carbine that brings SIG’s mission-grade engineering and ergonomic refinement to a compact 16-inch format. Designed around a short-stroke gas piston system, the 556xi reduces heat and carbon fouling in the receiver while delivering smooth, consistent cycling across a wide range of ammunition—traits prized by professionals and serious recreational shooters alike. Its rigid barreled-receiver interface and precision-manufactured barrel provide a stable shooting platform, and the overall ergonomics—ambidextrous controls, low-profile charging handle, and user-friendly stock and grip geometry—make the carbine intuitive to run for left- and right-handed shooters. The 556xi typically also includes full-length accessory rails and M-LOK or similar mounting points for optics, lights, and other mission equipment, allowing the rifle to be accessorized for patrol, range, or field use. Functionally, the 556xi balances durability with accuracy and modularity. The piston operation contributes to long-term reliability and easier maintenance, while the platform’s AR-style controls and magazine compatibility make it familiar to a broad user base. Its 16-inch barrel length delivers a versatile blend of maneuverability and ballistic performance suitable for close-quarters work and intermediate-range engagements; paired with modern sights or optics, the rifle is equally capable for precision work or fast target transitions. Overall, the SIG 556xi is positioned as a professional-grade carbine that combines SIG’s attention to materials and manufacturing with practical features that appeal to duty users, competitive shooters, and enthusiasts seeking a robust, low-maintenance AR-style rifle.
Contents:
Model: 556xi
Serial: 34C000119
Date of Manufacture: 2014
Caliber: 5.56 NATO
Finish: Black
Barrel Length: 16" with Three Prong Flash Hider
Optics/Sights: Flip-Up Sights - Wing-Protected Post Front with Aperture Peep Rear
Stock/Grips: Black Swiss Style Folding Stock with Removable Cheek Riser, Polymer Pistol Grip, and Handguard
Action: Semi-Automatic Rifle
Markings: Standard
Bryant Ridge's Analysis:
The SIG Sauer 556xi (R556XI-16B-C) is a piston-driven AR-pattern carbine that brings SIG’s mission-grade engineering and ergonomic refinement to a compact 16-inch format. Designed around a short-stroke gas piston system, the 556xi reduces heat and carbon fouling in the receiver while delivering smooth, consistent cycling across a wide range of ammunition—traits prized by professionals and serious recreational shooters alike. Its rigid barreled-receiver interface and precision-manufactured barrel provide a stable shooting platform, and the overall ergonomics—ambidextrous controls, low-profile charging handle, and user-friendly stock and grip geometry—make the carbine intuitive to run for left- and right-handed shooters. The 556xi typically also includes full-length accessory rails and M-LOK or similar mounting points for optics, lights, and other mission equipment, allowing the rifle to be accessorized for patrol, range, or field use. Functionally, the 556xi balances durability with accuracy and modularity. The piston operation contributes to long-term reliability and easier maintenance, while the platform’s AR-style controls and magazine compatibility make it familiar to a broad user base. Its 16-inch barrel length delivers a versatile blend of maneuverability and ballistic performance suitable for close-quarters work and intermediate-range engagements; paired with modern sights or optics, the rifle is equally capable for precision work or fast target transitions. Overall, the SIG 556xi is positioned as a professional-grade carbine that combines SIG’s attention to materials and manufacturing with practical features that appeal to duty users, competitive shooters, and enthusiasts seeking a robust, low-maintenance AR-style rifle.
Contents:
This example will ship with the factory-labeled box and all other contents as pictured above!
Return Policy:
We gladly offer a 3 day unfired inspection policy from the time that the firearm is delivered to your FFL. Refunds are available for all qualifying orders.
Shipping Details
Handgun Standard Shipping with Insurance $50.00
Long Gun Standard Shipping with Insurance $70.00
Any orders placed with magazines that are not compliant with your state, county, or city regulations will not ship with your order.
We strive to ship orders within the close of the following business day after payment and documentation is received.
Payment Details
We accept all forms of Payment including Personal Check, Business Check, PO Money Orders, Certified Check, Etc.
Please note we place a 7 business day hold on shipment, for all non-certified payments.
Payment MUST be received within 14 days.
Return Policy
We gladly offer a 3 day unfired inspection policy from the time that the firearm is delivered to your FFL. Refunds are available for all qualifying orders.
Additional Details
Our #1 priority is customer satisfaction. We want to build a lasting trust in the relationship with our customers, so that you will always look to us for all your firearms needs. If you have any issues with your transactions please contact us, and we will work with you to resolve any issues you may have. We greatly appreciate your trust in us and we look forward to fulfilling all your future firearm needs.
Bryant Ridge also reserves the right to cancel any sales that may occur while gunbroker.com is experiencing technical issues that affects the entire site or a complete site outage, within an hour of the auction ending.
We have an amazing inventory of classic and collector firearms that we are adding to Gunbroker daily. Stay up to date on all of our latest auction by adding us to your favorite sellers list.
About Us
From a small town hobby, to a leader in the investment and collector grade firearms industry. Bryant Ridge Firearms is here to offer the best in quality and customer service when you are looking to unload your collector grade firearm collection.
