Description
Item Description
Bryant Ridge Co. is pleased to present this DESIRABLE semi-automatic rifle today for a penny-start auction; this is the Heckler & Koch MR556A1!
According to the owner, this example remains in "NEW OLD STOCK" condition, and we see no evidence to indicate otherwise!
SPECIFICATIONS:
Manufacturer: Heckler & Koch / HK / H&K
Model: MR556A1
Serial: 241-405864
Date of Manufacture: 2022
Caliber: 5.56mm x 45 / 5.56mm NATO
Finish: Black Anodized
Barrel Length: 16.5" Heavy Barrel w/ Muzzle Brake
Optics/Sights: No Sights / Optic Ready Picatinny Rail
Stock/Grips: Synthetic Adjustable Buttstock w/ Textured Synthetic Pistol Grip and Free Floating Rail System Handguard
Action: Semi-Automatic
Markings: Standard
Bryant Ridge's Analysis:
Derived directly from the renowned HK416, the MR556A1 emerges as a commercial carbine boasting the same distinguished lineage. Assembled in the USA utilizing a blend of US and German-made components, this rifle embodies the pinnacle of reliability, durability, and precision that epitomizes the Heckler & Koch name. Leveraging many of the same parts and assemblies developed for the HK416, the MR556A1 ensures uncompromising performance on the battlefield and beyond. Unlike conventional AR15-style rifles employing a direct-gas-impingement system, the MR556A1 adopts a proprietary HK short-stroke gas piston mechanism. This closed piston system effectively prevents exhaust gases from infiltrating the receiver, resulting in cooler, cleaner, and more reliable operation, even in adverse conditions such as dust, sand, or mud. This unparalleled reliability has garnered the trust of elite military and law enforcement units worldwide. Further enhancing its performance, the MR556A1 features a cold hammer-forged barrel crafted from cannon-grade steel, boasting a 1 in 7" twist and taper-bore configuration for enhanced accuracy and velocity. With meticulous attention to detail and rigorous manufacturing processes, Heckler & Koch ensures that the MR556A1 exceeds mil-spec standards, delivering superior accuracy and service life unmatched by its counterparts.
Contents:
Model: MR556A1
Serial: 241-405864
Date of Manufacture: 2022
Caliber: 5.56mm x 45 / 5.56mm NATO
Finish: Black Anodized
Barrel Length: 16.5" Heavy Barrel w/ Muzzle Brake
Optics/Sights: No Sights / Optic Ready Picatinny Rail
Stock/Grips: Synthetic Adjustable Buttstock w/ Textured Synthetic Pistol Grip and Free Floating Rail System Handguard
Action: Semi-Automatic
Markings: Standard
Bryant Ridge's Analysis:
Derived directly from the renowned HK416, the MR556A1 emerges as a commercial carbine boasting the same distinguished lineage. Assembled in the USA utilizing a blend of US and German-made components, this rifle embodies the pinnacle of reliability, durability, and precision that epitomizes the Heckler & Koch name. Leveraging many of the same parts and assemblies developed for the HK416, the MR556A1 ensures uncompromising performance on the battlefield and beyond. Unlike conventional AR15-style rifles employing a direct-gas-impingement system, the MR556A1 adopts a proprietary HK short-stroke gas piston mechanism. This closed piston system effectively prevents exhaust gases from infiltrating the receiver, resulting in cooler, cleaner, and more reliable operation, even in adverse conditions such as dust, sand, or mud. This unparalleled reliability has garnered the trust of elite military and law enforcement units worldwide. Further enhancing its performance, the MR556A1 features a cold hammer-forged barrel crafted from cannon-grade steel, boasting a 1 in 7" twist and taper-bore configuration for enhanced accuracy and velocity. With meticulous attention to detail and rigorous manufacturing processes, Heckler & Koch ensures that the MR556A1 exceeds mil-spec standards, delivering superior accuracy and service life unmatched by its counterparts.
Contents:
This example will ship with the Factory Original Heckler & Koch carry case, paperwork, two magazines, and everything 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.
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/1194508721 |
BidPrice: |
0.01 |
AuctionEndDate: |
2026-08-16 22:00:00 |
CurrentBid: |
805 |
SoldOutTime: |
2026-08-16 18:06:42 |
