HK MR556 A4 5.56x45mm Piston Rifle – Ambidextrous, Patriot Brown Rail

The HK MR556 A4 is engineered for consistent performance and durability. This 5.56x45mm rifle utilizes a short-stroke gas piston operating system, which prevents hot carbon fouling from entering the action. This design choice contributes to extended operational periods between maintenance cycles and reduces wear on critical internal components, enhancing overall reliability for the user. An adjustable gas regulator allows operators to optimize the system for either suppressed or unsuppressed firing, providing adaptable performance for varied scenarios.

Key Features and Engineering:

• Short-Stroke Gas Piston System: Prevents hot carbon fouling in the action, leading to reduced maintenance and extended component life.
• Adjustable Gas Regulator: Enables optimal performance with or without a suppressor.
• Ambidextrous Controls: Facilitates efficient manipulation for both right and left-handed shooters.
• 16.50″ Black Threaded Barrel: Accommodates muzzle devices and supports consistent projectile velocity.
• Patriot Brown Picatinny Rail Receiver: Provides a robust mounting platform for **tactical optics** and other **firearm accessories**.
• M-LOK Handguard: Offers versatile attachment points for modern equipment.
• 6-Position Black Synthetic Stock: Ensures a customizable length of pull for various shooting positions.

The MR556 A4’s lighter weight and slimmer profile improve handling and ease of employment, whether for sport shooting, competition, or as a **personal defense firearm**. This **precision rifle** delivers a robust and dependable platform for the discerning individual at the **shooting range equipment** facility.