Basic Information:
| Item Name: | BLOCK,BORESIGHT |
| NSN: | 1005 - 00 - 948 - 8399, 1005009488399 |
| FSC: | FSC 1005 - GUNS, THROUGH 30MM |
| NIIN: | 009488399 |
Manufacturer Part Numbers:
| Part Number: | 11011002 |
| Manufacturer: | SPRINGFIELD ARMORY |
| NCAGE: | 19205 |
| Part Number: | 116C2757P1 |
| Manufacturer: | GENERAL DYNAMICS-OTS, INC.!DBA GD-OTS (WILLISTON) |
| NCAGE: | 05606 |