Basic Information:
| Item Name: | SIGHT,REAR |
| NSN: | 1005 - 00 - 621 - 2130, 1005006212130 |
| FSC: | FSC 1005 - GUNS, THROUGH 30MM |
| NIIN: | 006212130 |
Manufacturer Part Numbers:
| Part Number: | 7791203 |
| Manufacturer: | US ARMY ARDEC RDECOM |
| NCAGE: | 19200 |
| Part Number: | 7791203 |
| Manufacturer: | SPRINGFIELD ARMORY |
| NCAGE: | 19205 |