Description
Bryant Ridge Co. is pleased to present this semi-automatic rifle, renowned for quality and performance, for a penny-start auction; this is the Geissele Super Duty SD-556!
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SPECIFICATIONS:
Manufacturer: Geissele
Model: Super Duty SD-556
Serial: SD556-043536
Caliber: 5.56 NATO
Finish: FDE (Flat Dark Earth)
Barrel Length: 16" with Geissele 8-Port Sparkout Flash Hider
Optics/Sights: Optic Ready with Full Length Top Picatinny Rail
Stock/Grips: Adjustable FDE SOCOM M4 Buttstock by ACE Doublestar Corp. , FDE Geissele A17 Pistol Grip, 15" FDE Geissele M-LOK Handguard
Action: Semi-Automatic Rifle
Markings: Standard
Bryant Ridge's Analysis:
The Geissele Super Duty SD-556 is a professional-grade rifle built for serious shooters who require uncompromising performance, reliability, and durability. Chambered in 5.56 NATO, it features a 16-inch barrel paired with Geissele’s proprietary 8-Port Sparkout Flash Hider, which not only significantly reduces muzzle flash but also controls muzzle rise and recoil for improved handling during rapid fire. The rifle’s Flat Dark Earth (FDE) finish enhances both its visual appeal and corrosion resistance, reinforcing its hard-use design. Its optics-ready upper receiver features a full-length Picatinny rail for mounting a wide range of optics and accessories, supporting diverse operational needs. Built with Geissele’s trusted components—including a high-reliability bolt carrier group and either the SSA-E or SSA-X trigger system—the SD-556 is made for consistent, high-performance shooting in austere environments.
Model: Super Duty SD-556
Serial: SD556-043536
Caliber: 5.56 NATO
Finish: FDE (Flat Dark Earth)
Barrel Length: 16" with Geissele 8-Port Sparkout Flash Hider
Optics/Sights: Optic Ready with Full Length Top Picatinny Rail
Stock/Grips: Adjustable FDE SOCOM M4 Buttstock by ACE Doublestar Corp. , FDE Geissele A17 Pistol Grip, 15" FDE Geissele M-LOK Handguard
Action: Semi-Automatic Rifle
Markings: Standard
Bryant Ridge's Analysis:
The Geissele Super Duty SD-556 is a professional-grade rifle built for serious shooters who require uncompromising performance, reliability, and durability. Chambered in 5.56 NATO, it features a 16-inch barrel paired with Geissele’s proprietary 8-Port Sparkout Flash Hider, which not only significantly reduces muzzle flash but also controls muzzle rise and recoil for improved handling during rapid fire. The rifle’s Flat Dark Earth (FDE) finish enhances both its visual appeal and corrosion resistance, reinforcing its hard-use design. Its optics-ready upper receiver features a full-length Picatinny rail for mounting a wide range of optics and accessories, supporting diverse operational needs. Built with Geissele’s trusted components—including a high-reliability bolt carrier group and either the SSA-E or SSA-X trigger system—the SD-556 is made for consistent, high-performance shooting in austere environments.
Ergonomically optimized, the SD-556 comes equipped with a 15-inch Geissele M-LOK free-floating handguard in FDE, offering ample space for mounting mission-essential accessories while maintaining excellent barrel harmonics for accuracy. The modern extended handguard supports advanced grip techniques for improved control. Its FDE Geissele A17 pistol grip provides enhanced texture and ergonomics, ensuring a secure and comfortable hold even in challenging conditions. Notably, the rifle features an Adjustable FDE SOCOM M4 Buttstock by ACE Doublestar Corp., replacing the standard fixed stock to provide a more customizable length of pull while maintaining battlefield-grade durability. Together, these enhancements make the Geissele Super Duty SD-556 not just a premium AR-15, but a mission-ready, combat-capable platform engineered for peak performance in any scenario.
Contents:
This example will ship with the soft rifle case and magazine 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.
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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.
