SP400933: ACTION BLOCK,UPPER.
The ACTION BLOCK,UPPER is a the manufacturer industrial component. Key specifications include end_item_identification: M4 COLT CARBINE AND M4 COLT COMBO, part_name_assigned_by_controlling_agency: UPPER RECEIVER ACTION BLOCK. This part is cataloged in the U.S.
Government catalog under NSN 1005-01-631-4044, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.
Verify compatibility with your specific system configuration before ordering.
| end_item_identification | M4 COLT CARBINE AND M4 COLT COMBO |
| part_name_assigned_by_controlling_agency | UPPER RECEIVER ACTION BLOCK |
| NSN | 1005-01-631-4044 |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | UPPER RECEIVER ACTION BLOCK |
| END ITEM IDENTIFICATION | M4 COLT CARBINE AND M4 COLT COMBO |
No substitute or cross-reference records for this part.