象限儀：M4A1
| P/N | NSN | |
| 象限儀：M4A1 | 7597761 | 1290-00-759-7761 |
相關產品：
| P/N | NSN | |
| 鏡座：M23 | 7578441 | 1290-00-757-8441 |
| 肘型鏡：M16A1D | 7597781 | 1240-00-759-7781 |
象限儀：M4A1
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