HK MR556A1 Complete Upper Receiver, 223 Remington/556NATO, 16.5" Cold Hammer Forged Barrel, Black, M-Lok Free Float Rail, Flash Hider, Complete MR556 Bolt Carrier Group, Proprietary Tungsten Buffer, Proprietary Buffer Spring 81000584
HK MR556A1 Complete Upper Receiver, 223 Remington/556NATO, 16.5" Cold Hammer Forged Barrel, Black, M-Lok Free Float Rail, Flash Hider, Complete MR556 Bolt Carrier Group, Proprietary Tungsten Buffer, Proprietary Buffer Spring 81000584
| Manufacturer | Heckler and Koch
|
| Model | 81000584
|
| UPC | 642230262607
|
| Caliber | 223 Rem
|
| Unit/Measure | ea
|
| Stock | 0
|
| Availability | Out of stock |
