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HK UPPER MR556A4 5.56 16.5" BLK
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In Stock: 160
HK UPPER MR556A4 5.56 16.5" BLK
PRODUCT HIGHLIGHTS
- Heckler & Koch MR556 A4 Upper Receiver, 223 Remington/5
- 56 NATO, 16
- 5" Barrel, Threaded 1/2X28, M-LOK Handguard, Anodized Finish, Black, Fits AR-15 Lower Receivers, Includes Bolt Carrier Group, Charging Handle, Buffer Weight and Buffer Spring 51000384
Product Description
Heckler & Koch MR556 A4 Upper Receiver, 223 Remington/5.56 NATO, 16.5" Barrel, Threaded 1/2X28, M-LOK Handguard, Anodized Finish, Black, Fits AR-15 Lower Receivers, Includes Bolt Carrier Group, Charging Handle, Buffer Weight and Buffer Spring 51000384
Specifications
| UPC | 642230270213 | Manufacturer Part # | 51000384 |
| Model | MR556 A4 Upper Receiver | Caliber | 223 Remington |
| Color | Black | Subcategory | Complete Upper Receivers |
| Finish | Anodized | Manufacturer | Heckler & Koch |
| Barrel Length | 16.5" | Shipping Dimensions | 31.25 x 12.50 x 4.00 in |
