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Heckler & Koch MR556 A4 5.56 NATO 11" Pistol 10-Round | 81001051Premium HK416-Based 5.56 NATO AR Pistol with M-LOK Handguard and Ambidextrous Controls
The Heckler & Koch MR556 A4 Pistol (Model 81001051) is a high-performance, semi-automatic AR pistol built on the legendary HK416 platform. Chambered in 5.56 NATO / .223 Remington, this compact pistol features an 11-inch barrel, an M-LOK free-float handguard, an adjustable gas block, and full ambidextrous controls. This specific configuration includes a 10-round magazine, making it an excellent choice for shooters in states with magazine capacity restrictions while still delivering the exceptional quality and performance that Heckler & Koch is known for.
Key Features & Benefits
- HK416 Platform: Built on the proven HK416 short-stroke gas piston operating system for exceptional reliability and durability.
- 11" Barrel: Compact barrel length provides excellent maneuverability while maintaining strong ballistic performance in 5.56 NATO.
- M-LOK Free Float Handguard: Lightweight, modular handguard allows for easy attachment of accessories while improving accuracy by eliminating pressure on the barrel.
- Adjustable Gas Block: User-adjustable gas system allows fine-tuning for optimal performance with various ammunition types and suppressors.
- Ambidextrous Controls: Features ambidextrous safety selector, magazine release, and bolt catch for left and right-handed shooters.
- HK USA Enhanced Grip: Ergonomic grip designed for improved control and comfort during rapid fire.
- Compact Pistol Configuration: Designed as a pistol with no stock, offering superior handling in tight spaces and vehicle use.
- 10-Round Magazine: Includes one 10-round magazine, ideal for compliance with state magazine capacity laws.
- Anodized Black Finish: Durable anodized finish provides excellent corrosion resistance and a professional appearance.
Technical Specifications
| Manufacturer | Heckler & Koch |
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| Model Number | 81001051 |
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| UPC | 642230269446 |
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| Caliber | 5.56 NATO / .223 Remington |
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| Barrel Length | 11 inches |
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| Handguard | M-LOK Free Float |
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| Gas System | Adjustable Gas Block |
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| Controls | Ambidextrous |
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| Capacity | 10 Rounds |
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| Finish | Anodized Black |
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| Overall Length | Approximately 27.5" - 30" |
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| Configuration | Pistol (No Stock) |
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Why Choose the Heckler & Koch MR556 A4 Pistol?
The MR556 A4 Pistol brings the legendary reliability and engineering excellence of the HK416 platform into a compact pistol format. This model is ideal for shooters who want the performance of a premium AR in a highly maneuverable package. The adjustable gas block makes it particularly well-suited for suppressed shooting, while the ambidextrous controls and enhanced grip provide a modern, user-friendly experience.
This 10-round configuration allows shooters in restrictive states to own a premium HK416-pattern pistol without modification. Whether you’re a competitive shooter, a serious enthusiast, or someone who demands the highest quality in a 5.56 NATO pistol, the MR556 A4 delivers unmatched performance and craftsmanship.
Ideal For
- Shooters in states with 10-round magazine limits
- Home defense and tactical applications
- Suppressed 5.56 NATO configurations
- Vehicle and confined space use
- Competitive shooting and training
- Anyone seeking a premium HK416-based AR pistol
Experience premium German engineering with the Heckler & Koch MR556 A4 11" Pistol 10-Round (Model 81001051, UPC 642230269446).
This feature-rich 5.56 NATO pistol combines the legendary reliability of the HK416 platform with modern enhancements like an M-LOK handguard, adjustable gas block, and full ambidextrous controls. The 10-round magazine configuration makes it compliant for a wider range of users while maintaining the exceptional quality and performance expected from Heckler & Koch.The End```
