Description
Item Description
Bryant Ridge Co. is pleased to present this semi-automatic pistol for a penny-start auction, this is the Heckler & Koch MR 556 A4 Pistol.
According to the consigner, this example remains in NEW OLD STOCK condition, and we see no evidence to indicate otherwise!
SPECIFICATIONS:
Manufacturer: Heckler & Koch
Model: MR 556 A4 Pistol
Serial: 241-417865
Date of Manufacture: 2024
Caliber: 5.56 x 45mm
Finish: Hardcoat Anodized Black
Barrel Length: 11"
Optics/Sights: No Sights, Optic Ready Rail
Stock/Grips: Textured Black Synthetic with Rubberized Over Molding
Action: Semi-Automatic
Markings: Standard
Bryant Ridge's Analysis:
The Heckler & Koch MR556 A4 Pistol is a compact, premium semi-automatic firearm that represents the latest refinement of HK’s renowned MR556 platform, itself derived from the battle-proven HK416 system widely respected for its durability and reliability. Built at HK’s U.S. manufacturing facility in Georgia, the A4 pistol variant retains the hallmark short-stroke gas piston operating system, which sets it apart from traditional AR-pattern designs by keeping heat and carbon fouling out of the receiver, resulting in cleaner operation and enhanced long-term component life. Constructed with forged 7075-T6 aluminum upper and lower receivers finished in Mil-Spec Type III hardcoat anodizing, the MR556 A4 Pistol combines robust materials with HK’s reputation for precise machining and tight tolerances. It typically features a cold hammer-forged barrel known for exceptional longevity and consistent accuracy, paired with a free-floating M-LOK handguard that allows extensive accessory mounting while preserving barrel harmonics. Unlike rifle configurations, the pistol version uses a buffer tube rather than a stock, maintaining pistol classification while still offering excellent balance and control. Chambered in 5.56×45mm NATO, the firearm delivers strong ballistic performance from a compact platform, supported by HK’s proprietary bolt carrier group and reinforced internal components engineered for reliability under demanding conditions. The A4 generation also incorporates modern ambidextrous controls, improved ergonomics, and refined furniture that enhance usability for a wide range of shooters. Highly regarded among enthusiasts, the MR556 A4 Pistol is often considered one of the most refined factory piston-driven AR-style firearms available, prized for its direct lineage to a military-grade system, exceptional build quality, and its blend of compact handling with the rugged performance characteristics that define Heckler & Koch engineering.
Contents:
Model: MR 556 A4 Pistol
Serial: 241-417865
Date of Manufacture: 2024
Caliber: 5.56 x 45mm
Finish: Hardcoat Anodized Black
Barrel Length: 11"
Optics/Sights: No Sights, Optic Ready Rail
Stock/Grips: Textured Black Synthetic with Rubberized Over Molding
Action: Semi-Automatic
Markings: Standard
Bryant Ridge's Analysis:
The Heckler & Koch MR556 A4 Pistol is a compact, premium semi-automatic firearm that represents the latest refinement of HK’s renowned MR556 platform, itself derived from the battle-proven HK416 system widely respected for its durability and reliability. Built at HK’s U.S. manufacturing facility in Georgia, the A4 pistol variant retains the hallmark short-stroke gas piston operating system, which sets it apart from traditional AR-pattern designs by keeping heat and carbon fouling out of the receiver, resulting in cleaner operation and enhanced long-term component life. Constructed with forged 7075-T6 aluminum upper and lower receivers finished in Mil-Spec Type III hardcoat anodizing, the MR556 A4 Pistol combines robust materials with HK’s reputation for precise machining and tight tolerances. It typically features a cold hammer-forged barrel known for exceptional longevity and consistent accuracy, paired with a free-floating M-LOK handguard that allows extensive accessory mounting while preserving barrel harmonics. Unlike rifle configurations, the pistol version uses a buffer tube rather than a stock, maintaining pistol classification while still offering excellent balance and control. Chambered in 5.56×45mm NATO, the firearm delivers strong ballistic performance from a compact platform, supported by HK’s proprietary bolt carrier group and reinforced internal components engineered for reliability under demanding conditions. The A4 generation also incorporates modern ambidextrous controls, improved ergonomics, and refined furniture that enhance usability for a wide range of shooters. Highly regarded among enthusiasts, the MR556 A4 Pistol is often considered one of the most refined factory piston-driven AR-style firearms available, prized for its direct lineage to a military-grade system, exceptional build quality, and its blend of compact handling with the rugged performance characteristics that define Heckler & Koch engineering.
Contents:
This example will ship with the Heckler & Koch soft case and all other contents 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. 
Additional Information
GunbrokerLink: |
https://www.gunbroker.com/item/1156868779 |
BidPrice: |
2499.99 |
AuctionEndDate: |
2026-03-01 21:00:00 |
CurrentBid: |
2975 |
SoldOutTime: |
2026-03-01 16:24:06 |
