Heckler & Koch MR556A1 Short-Stroke Gas Piston 5.56 NATO Blue/Black Rifle
Caliber: 5.56 NATO · Capacity: 10+1
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Specifications
Action Semi-Automatic
Ambidextrous Safety Yes
Barrel Length 16.5 inches
Caliber / Gauge 5.56 NATO
Capacity 10+1
Finish Blue/Black
Grip Safety No
Magazines Included 1
Manual Safety Yes
Optic Ready Yes
Overall Length 33.9 inches
Sights Standard Sights
Threaded Barrel Yes
Trigger Safety No
Weight 8.6 pounds
Description
Product Overview
The Heckler & Koch MR556A1 is a premium semi-automatic rifle derived from the HK416 platform. Its short-stroke gas piston system keeps hot propellant gases and carbon fouling out of the receiver, supporting reliable operation and simplified maintenance. A cold hammer forged German barrel, enhanced two-stage trigger, and free-floating handguard contribute to match-grade accuracy. The four-quadrant handguard provides MIL-STD-1913 Picatinny rails for mounting optics and accessories, while the retractable synthetic stock allows the rifle to be configured for different users and shooting positions.
Key Features
- Short-stroke gas piston system reduces fouling in the receiver and supports reliable cycling
- Cold hammer forged 16.5-inch barrel provides durability and consistent accuracy
- Enhanced two-stage trigger offers a precise, predictable trigger press
- Free-floating four-quadrant Picatinny rail handguard supports optics, lights, and other accessories
- Retractable synthetic stock adjusts for length of pull and can be secured in position
- Ambidextrous safety selector accommodates right- and left-handed operation
The MR556A1 combines HK416-derived piston operation with a match-capable barrel and adaptable accessory rail system for demanding rifle applications.
WARNING: This product can expose you to chemicals including arsenic, which is known to the State of California to cause cancer. For more information, go to WWW.P65WARNINGS.CA.GOV
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- SKU:
- MR556FMA1
- UPC:
- 642230254404
- BUDS ID:
- 7083
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Retail Availability
Bud's Gun Shop - Lexington, KY
1105 Industry Road, Lexington, KY 40505
Bud's Gun Shop - Sevierville, TN
2270 Two Rivers Blvd, Sevierville, TN 37876
Uncle Lee's - Greenville, KY
820 Main St, Greenville, KY 42345
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| Action | Semi-Automatic | Semi-Automatic | Semi-Automatic | Semi-Automatic | Semi-Automatic |
| Ambidextrous Safety | Yes | Yes | Yes | Yes | Yes |
| Barrel Length (in.) | 16.5 | 16.0 | 16.0 | 13.7 | 16.0 |
| Caliber / Gauge | 5.56 NATO | 5.56 NATO | .223 Remington, 5.56 NATO | 5.56 NATO | 5.56 NATO |
| Capacity | 10 | 30 | 30 | 30 | 30 |
| Manual Safety | Yes | Yes | Yes | Yes | Yes |
| Optic Ready | Yes | Yes | Yes | Yes | Yes |
| Overall Length (in.) | 33.9 | 36.5 | 35.5 | 30.5 | 33.5 |
| Threaded Barrel | Yes | Yes | Yes | Yes | Yes |
| Weight (lbs) | 8.6 | 7.7 | 7.9 | 6.6 | 7.8 |
| Finish | Blue/Black | Black Anodized | Blue/Black | FDE/Tan | N/A |
| Sights | Standard Sights | Standard Sights | Standard Sights | N/A | Standard Sights |
| Actions | Current Item |
