Description
Item Description
Bryant Ridge Co. is pleased to present this semi-automatic rifle today for auction, this is the Sig Sauer SIG 556 Generation 1.
The Sig Sauer SIG 556 Generation 1 is a rugged, highly regarded semi-automatic rifle chambered in 5.56 NATO (.223 Remington). Serving as the historic foundation of the American SIG 556 line, this early-generation rifle features the definitive hallmarks of the original 2006–2009 factory production run. It is mechanically distinguished by its classic threaded front pivot screw assembly, a straight, non-folding receiver extension block engineered for standard AR-15 buffer tubes, and its iconic factory polymer "fish-gill" handguard. Widely celebrated for its exceptional durability, smooth operation, and unique lines, these early Generation 1 rifles with the early "JS" serial prefix have become highly collectible pieces for enthusiasts, collectors, and marksmen alike.
This particular example bears the highly coveted low four-digit serial number "JS004071".
SPECIFICATIONS:
Manufacturer: Sig Sauer
Model: SIG 556 Generation 1
Serial: JS004071
Date of Manufacture: 2006-2009
Caliber: 5.56 NATO (.223 Remington)
Finish: Black
Barrel Length: 16" Cold Hammer-Forged Barrel with 1:7 Twist and A2 Flash Hider
Optics/Sights: Flip-Up Winged Protected Post Front with Flip-Up Magpul MFT Adjustable Aperture Rear
Stock/Grips: 4-Position Black Polymer Buttstock with Black Polymer Pistol Grip and Black Polymer "Fish-Gill" Handguard
Action: Semi-Automatic
Markings: Standard
Bryant Ridge's Analysis:
The Sig Sauer SIG 556 Generation 1 is a rugged, highly regarded semi-automatic rifle chambered in 5.56 NATO (.223 Remington). A standard variant of the Sig Sauer platform, this early-generation build is defined by its original Gen 1 factory configuration, featuring a threaded front pivot screw assembly and a straight, non-folding receiver extension block designed for standard AR-15 buffer tubes. It draws from the proven long-stroke piston system of the Swiss SIG SG 550 series while incorporating the modular features and accessory compatibility favored by American shooters. This rifle features a 16-inch cold hammer-forged barrel with a 1:7 twist, paired with an A2 flash hider, providing excellent durability and the ability to stabilize a wide range of bullet weights for reliable accuracy. Finished in black, the rifle is equipped with its distinctive factory polymer "fish-gill" handguard, offering a comfortable, ventilated grip while maintaining the classic lines of the original first-generation platform. For fast target acquisition and reliable backup capability, it is fitted with a flip-up winged protected post front sight and a flip-up Magpul MFT adjustable aperture rear sight mounted to the full-length receiver Picatinny rail. The rifle is further outfitted with a 4-position black polymer buttstock paired with a black polymer pistol grip, providing adjustable length of pull and comfortable ergonomics for a wide variety of shooters. Well known for its durability, smooth operation, and distinctive design, these early Generation 1 rifles with the early "JS" serial prefix have become highly collectible pieces for enthusiasts, collectors, and marksmen alike.
Model: SIG 556 Generation 1
Serial: JS004071
Date of Manufacture: 2006-2009
Caliber: 5.56 NATO (.223 Remington)
Finish: Black
Barrel Length: 16" Cold Hammer-Forged Barrel with 1:7 Twist and A2 Flash Hider
Optics/Sights: Flip-Up Winged Protected Post Front with Flip-Up Magpul MFT Adjustable Aperture Rear
Stock/Grips: 4-Position Black Polymer Buttstock with Black Polymer Pistol Grip and Black Polymer "Fish-Gill" Handguard
Action: Semi-Automatic
Markings: Standard
Bryant Ridge's Analysis:
The Sig Sauer SIG 556 Generation 1 is a rugged, highly regarded semi-automatic rifle chambered in 5.56 NATO (.223 Remington). A standard variant of the Sig Sauer platform, this early-generation build is defined by its original Gen 1 factory configuration, featuring a threaded front pivot screw assembly and a straight, non-folding receiver extension block designed for standard AR-15 buffer tubes. It draws from the proven long-stroke piston system of the Swiss SIG SG 550 series while incorporating the modular features and accessory compatibility favored by American shooters. This rifle features a 16-inch cold hammer-forged barrel with a 1:7 twist, paired with an A2 flash hider, providing excellent durability and the ability to stabilize a wide range of bullet weights for reliable accuracy. Finished in black, the rifle is equipped with its distinctive factory polymer "fish-gill" handguard, offering a comfortable, ventilated grip while maintaining the classic lines of the original first-generation platform. For fast target acquisition and reliable backup capability, it is fitted with a flip-up winged protected post front sight and a flip-up Magpul MFT adjustable aperture rear sight mounted to the full-length receiver Picatinny rail. The rifle is further outfitted with a 4-position black polymer buttstock paired with a black polymer pistol grip, providing adjustable length of pull and comfortable ergonomics for a wide variety of shooters. Well known for its durability, smooth operation, and distinctive design, these early Generation 1 rifles with the early "JS" serial prefix have become highly collectible pieces for enthusiasts, collectors, and marksmen alike.
Contents:
This example will ship with a black hard case and two 30-round magazines attached with a coupler.
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. 
Additional Information
GunbrokerLink: |
https://www.gunbroker.com/item/1184339801 |
BidPrice: |
1449.99 |
AuctionEndDate: |
2026-08-02 21:00:00 |
CurrentBid: |
1675 |
SoldOutTime: |
2026-08-02 17:05:52 |
