Specifications
| Weight | 160 oz |
|---|---|
| Manufacturer | Heckler & Koch |
| Caliber | 223 Remington, 5.56 NATO |
| Platform | AR-15 |
| Product Type | Upper Receiver |
| Barrel Length | 16.5" |
| Finish | Anodized |
| Build Type | Complete |
| Color | Black |
Details
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




