Description
Item Description
Bryant Ridge Co. is pleased to present this semi-automatic rifle that offers the battlefield-proven reliability, durability, and precision you would expect from a rifle that bears the name Heckler & Koch for auction; this is the Heckler & Koch MR556A1!
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SPECIFICATIONS:
Manufacturer: Heckler & Koch
Model: MR556A1 (81000579)
Serial: 241-402310
Caliber: 5.56x45 NATO
Finish: Black Anodized
Barrel Length: 16 ½" Medium Contour Barrel with A2 Flash Hider
Optics/Sights: Optic Ready with Full Length Picatinny Rail
Stock/Grips: Adjustable H&K E1 Buttstock, Magpul MOE K2 Pistol Grip, and MLOK Free-Float Handguard
Action: Semi-Automatic Rifle
Markings: Standard
Bryant Ridge's Analysis:
The Heckler & Koch MR556A1 is a premium semi-automatic rifle that delivers military-grade performance in a civilian-legal platform. Drawing directly from the proven design of the HK416, it incorporates the same short-stroke gas piston system that separates it from traditional AR-15 rifles relying on direct impingement. By isolating hot gases and carbon fouling from the receiver, this system allows the MR556A1 to run significantly cleaner and cooler, especially in adverse conditions like mud, dust, or sand. This design has earned the trust of elite military and law enforcement units worldwide, and in the MR556A1, it provides civilian users with that same battlefield-level reliability and function.
Model: MR556A1 (81000579)
Serial: 241-402310
Caliber: 5.56x45 NATO
Finish: Black Anodized
Barrel Length: 16 ½" Medium Contour Barrel with A2 Flash Hider
Optics/Sights: Optic Ready with Full Length Picatinny Rail
Stock/Grips: Adjustable H&K E1 Buttstock, Magpul MOE K2 Pistol Grip, and MLOK Free-Float Handguard
Action: Semi-Automatic Rifle
Markings: Standard
Bryant Ridge's Analysis:
The Heckler & Koch MR556A1 is a premium semi-automatic rifle that delivers military-grade performance in a civilian-legal platform. Drawing directly from the proven design of the HK416, it incorporates the same short-stroke gas piston system that separates it from traditional AR-15 rifles relying on direct impingement. By isolating hot gases and carbon fouling from the receiver, this system allows the MR556A1 to run significantly cleaner and cooler, especially in adverse conditions like mud, dust, or sand. This design has earned the trust of elite military and law enforcement units worldwide, and in the MR556A1, it provides civilian users with that same battlefield-level reliability and function.
The rifle’s exceptional accuracy and durability stem from its cold hammer forged barrel made of cannon-grade steel, a hallmark of Heckler & Koch’s precision engineering. With a 1:7 twist rate and taper-bore configuration, the barrel is optimized for both velocity and accuracy, particularly with heavier 5.56mm rounds. Further enhancing its appeal, the MR556A1 is assembled in the U.S. from both American and German parts to comply with federal import restrictions, yet it retains many of the key components and design philosophies of the original HK416. The result is a rifle that exceeds typical "mil-spec" standards in both build quality and long-term performance, making it one of the most capable and refined AR-platform rifles available to the civilian market.
Contents:
This example will ship with an H&K soft rifle case 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.
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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.
