Heckler & Koch MR556A4 For Sale

The Heckler & Koch MR556A4 For Sale is a premium, military-grade rifle designed for a variety of tactical, professional, and recreational purposes. It is known for its reliability, accuracy, and versatility, making it a popular choice for military, law enforcement, and civilian gun enthusiasts. Here’s a detailed breakdown of the product specifications and features for the MR556A4, specifically with a 16.5″ barrel and 1-30 round magazine configuration:

Heckler & Koch MR556A4 For Sale – Product Details and Specifications

Key Specifications:

• Model: Heckler & Koch MR556A4
• Caliber: 5.56×45mm NATO / .223 Remington
• Barrel Length: 16.5 inches (419 mm)
• Barrel Material: Cold hammer-forged, high-quality steel
• Barrel Twist: 1:7″ (right-hand twist)
• Overall Length: Approximately 32.75 inches (with stock collapsed) to 36.75 inches (with stock extended)
• Weight: 8.4 lbs (3.8 kg)
• Operating System: Gas-operated, short-stroke piston system (known for cleaner operation than traditional direct impingement)
• Muzzle Device: Flash suppressor (standard)
• Sights: No sights included, but features a Picatinny rail for optics
• Stock: Adjustable, retractable M4-style stock
• Handguard: Free-floating, quad-rail for accessory attachment (Picatinny rails on all four sides)
• Magazine: 1 x 30-round Magpul PMAG (or similar)
• Trigger: Two-stage trigger for improved precision
• Safety: Ambidextrous safety selector
• Gas Block: Adjustable for different operating conditions
• Receiver: Aluminum (7075-T6), anodized finish
• Bolt Carrier Group: M16-style, chrome-lined for durability and easier cleaning
• Pistol Grip: Ergonomically designed to improve comfort and control

Notable Features:

1. Short-Stroke Piston System:
   The MR556A4 uses a short-stroke piston gas system, which provides cleaner operation, fewer malfunctions, and reduced carbon buildup compared to traditional direct impingement systems. This results in better reliability, particularly in adverse environments.
2. Cold Hammer-Forged Barrel:
   The 16.5-inch barrel is cold hammer-forged, a manufacturing process that enhances the barrel’s strength, durability, and accuracy. This feature ensures that the MR556A4 remains reliable and accurate over a long service life.
3. Precision and Accuracy:
   Thanks to its 1:7 barrel twist and precision engineering, the MR556A4 offers excellent accuracy, capable of stabilizing a variety of bullet types, including heavier rounds, which ensures it performs well in both close-quarters and longer-range engagements.
4. M-LOK Handguard Options:
   The MR556A4 comes with a free-floating quad-rail handguard (Picatinny rails on all four sides). This allows users to easily attach accessories such as grips, lights, lasers, and optics, making it highly customizable to your tactical or recreational needs.
5. Ambidextrous Features:
   The MR556A4 is designed to be user-friendly for both left- and right-handed shooters. It features an ambidextrous safety selector, making it easier for all shooters to operate safely and comfortably.
6. Picatinny Rail System:
   The rifle comes with a full-length Picatinny rail on top of the receiver, making it easy to mount various optics such as red-dot sights, scopes, and magnifiers. This ensures that shooters can quickly adapt to changing conditions on the field.
7. Durability and Build Quality:
   The MR556A4 is built to withstand harsh environments. Its 7075-T6 aluminum alloy receiver and chrome-lined bolt carrier group enhance the rifle’s durability, making it ideal for military and law enforcement use as well as civilian applications.
8. Adjustable Stock:
   The M4-style stock is adjustable, offering versatility in length to suit different body types and shooting positions. It’s a practical feature for both tactical and recreational uses.

Included Accessories:

• 1 x 30-round Magpul PMAG or equivalent polymer magazine
• No iron sights (optics are recommended and can be mounted on the Picatinny rail)

Intended Uses of the MR556A4

• Tactical and Military Use: Due to its exceptional build quality and reliability, the MR556A4 is often used by military units around the world. It’s designed to handle demanding conditions and high-round counts, making it ideal for combat and operational use.
• Law Enforcement: The MR556A4 is also used by various law enforcement agencies, where precision, reliability, and customizable features are essential for tactical operations.
• Sport Shooting and Competitions: The rifle is favored by competitive shooters for its precision, ease of use, and the ability to customize it for different competition styles.
• Home Defense: For civilian users, the MR556A4 can also serve as an excellent home defense rifle, offering both stopping power and reliability.
• Hunting: In certain areas, the MR556A4 is also suitable for varmint and small game hunting, thanks to its caliber and accuracy.

Why Choose the Heckler & Koch MR556A4?

1. Military-Grade Reliability: The MR556A4’s piston-driven operating system, combined with high-quality materials, ensures it performs reliably under extreme conditions. Whether you’re on a mission or at the range, this rifle will deliver.
2. Customization Options: The MR556A4’s quad-rail handguard and Picatinny rail give you the flexibility to attach accessories that suit your needs, from optics to tactical lights.
3. Precision Engineering: The cold hammer-forged barrel and two-stage trigger ensure that you can expect excellent accuracy, making it a great choice for long-range shooting or precision work.
4. Built to Last: Designed for maximum durability, the MR556A4 is built to withstand heavy use, ensuring longevity whether you’re using it for defense, sport, or work purposes.
5. Versatile: With a 16.5-inch barrel, the MR556A4 is a balanced rifle that offers both maneuverability and accuracy, making it suitable for a wide range of applications, from home defense to tactical operations.