Heckler & Koch H&K MR 556 A1 5.56/.223 16.5″ HK416 AR-15 Rifle NIB 2023
SOLD FOR: $2,275.00
LSB#: WY241207AA025
Make: Heckler & Koch HK
Model: MR556A1
Serial Number: 241-406914
Year of Manufacture: 2023 CD date code.
Caliber: 5.56, .223
Action Type: Semi-Automatic, Proprietary Gas Piston driven, fed by detachable AR15 pattern magazines.
Markings: The left side of the magazine well is marked “HK MR 556 A1 5.56mm X 45” and “241-406914” behind the bolt catch with bullet diagrams for the ambidextrous safety selector. The right side is marked with “Heckler & Koch Inc. Columbus GA”. The BCG is marked, “HK MR”. The right side of the handguard is marked with an M-LOK Logo. The left side of the upper and the barrel are both marked “HK CD”.
Barrel Length: 16.5”, 18” with the A1 birdcage flash hider.
Sights / Optics: This rifle has no provisions for Iron Sights. The rifle has a full length picatinny rail for the mounting of optics and accessories.
Stock Configuration & Condition: The furniture set on this rifle includes a 12.5” M-LOK HK forend with two QD cups, a MAGPUL MOE-K2+ rubberized pistol grip with storage and the HK collapsible stock with sling rings, rubber buttpad, and ambi cheek shelves. The length of pull is 14.25” from the front of the trigger to the back of the buttpad at full extension. The furniture is in New in Box condition.
Magazine Quantity & Condition: This rifle includes one 30 round Magpul P-mag in New in Bag condition.
Type of Finish: Anodized Black
Finish Originality: Original
Bore Condition: The bore is bright and the rifling is sharp. There is no erosion in the bore. The feed ramps are smooth and very shiny. This rifle appears unfired outside of factory testing. In this writer’s opinion the bore rates 10/10.
Overall Condition: New in Box.
Mechanics: The action functions correctly. We did not fire this rifle. As with all used firearms, a thorough cleaning may be necessary to meet your maintenance requirements.
Box, Paperwork & Accessories: This rifle includes an HK range bag, manual, sticker, magazine, cable lock with keys, HK tool, zipper pouch and bag organizers.
Our Assessment: The HK MR556A1 is a high-quality, semi-automatic rifle chambered in 5.56 NATO, designed for civilian use but built with the durability and precision associated with Heckler & Koch’s military-grade firearms. It features a 16.5-inch cold hammer-forged barrel, which is known for exceptional accuracy, longevity, and heat resistance. The rifle employs HK’s proprietary short-stroke gas piston system, an innovation adapted from the HK416, which reduces fouling in the action for enhanced reliability and easier maintenance, even under harsh conditions.
This particular configuration includes a Magpul K2+ pistol grip, which provides a more vertical grip angle for improved ergonomics. The grip’s rubberized texture adds comfort and ensures a secure hold during extended shooting sessions. The rifle is also equipped with an HK proprietary stock, designed for stability and adjustable for length of pull to accommodate various shooters and shooting positions. The MR556A1 is renowned for its exceptional build quality, precision engineering, and dependability, making it a top-tier option for enthusiasts, competitive shooters, or those seeking a robust and versatile platform for defensive purposes. Please see our high quality photos via the link and best of luck with your bidding!!!-R.L.
