408JXN00879: MODIFICATION KIT,GUN,WEAPON.
The MODIFICATION KIT,GUN,WEAPON is a the manufacturer industrial component. Key specifications include part_name_assigned_by_controlling_agency: KIT, UPPER RECEIVER GROUP-IMPROVED 14.5. This part is cataloged in the U.S.
Government catalog under NSN 1005-01-671-3911, 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.
| part_name_assigned_by_controlling_agency | KIT, UPPER RECEIVER GROUP-IMPROVED 14.5 |
| NSN | 1005-01-671-3911 |
| SPECIAL FEATURES | M4A1 UPPER RECEIVER GROUP KIT,CONVERTS THE UPPER RECEIVER OF A M4A1 TO AN IMPROVED BARREL AND RAIL ASSEMBLY. KIT CONTAINS THE FOLLOWING ITEMS: (1) 1EA, MID-LENGTH GAS SYSTEM 14.5 INCH COLD HAMMER FORGED BARREL, WITH TAPERED PIN GAS BLOCK P/N: 07-077-07308, 1EA. (2) 14.5 MID-LENGTH GAS TUBE, P/N: 04-013-09401, 1 EA; (3) GAS TUBE, PIN SPRING, P/N 15-028-04094,1 EA; (4) CHARGING HANDLE (COYOTE), P/N: 05-664S, 1EA. (5) M-LOK HANDGUARD COYOTE, MARK 16 13.5 INCH, P/N: 05-650S, 1EA. (6) M-LOK ALUMINUM RAIL SECTION, 7 SLOTS-BLACK, P/N: MAG582-BLK, 3EA. (7) M-LOK QD SLING MOUNT BLACK, P/N: MAG606-BLK,1EA. IN |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | KIT, UPPER RECEIVER GROUP-IMPROVED 14.5 |