The MR556 A4 short-stroke gas piston operating system does not impart hot carbon fouling back into the action, allowing the weapon to run longer, with less maintenance and with less wear on internal components. Its adjustable gas regulator allows the operator to tune the action specifically for suppressed or unsuppressed operation. Fully ambidextrous controls, lighter weight and a slimmer profile make the new A4 easier to operate, manipulate and employ.
HK 81000828 MR556 A4 5.56x45mm 10+1 16.50″ Black Threaded Barrel, Black Picatinny Rail, M-LOK Handguard, 6 Position Black Synthetic Stock, Ambidextrous
SKU: SA1309138
UPC: 642230269415
HK 81000828 MR556 A4 5.56x45mm 10+1 16.50″ Black Threaded Barrel, Black Picatinny Rail, M-LOK Handguard, 6 Position Black Synthetic Stock, Ambidextrous
$3,749.00
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| Weight | 14.26 lbs |
|---|---|
| Dimensions | 43.5 × 13 × 4 in |
| Oal | |
| Hand | |
| Twist | |
| Action | |
| Safety | |
| Sights | |
| Weight | |
| Caliber | 5.56x45mm |
| Capacity | 10+1 |
| Weight Range | |
| Barrel Length | |
| Stock Description | |
| Barrel Description | |
| Metal Finish Group | |
| Stock Finish Group | |
| Barrel Length Range | |
| Manufacturer | HK |
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