The Rifle,5.56 Millimeter, cataloged under National Stock Number 1005-01-438-1838, is classified within Federal Supply Class 1005 (Guns, Through 30mm) of the Weapons group. The manufacturer of record is Colt's Manufacturing Company, Llc. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1005-01-438-1838 |
| Primary Part Number | RO977 M16A3 (M4) |
| Item Name | Rifle,5.56 Millimeter |
| FSC / FSG | 1005 / 10 — Guns, Through 30mm |
| Manufacturer | Colt's Manufacturing Company, Llc |
| Status | ACTIVE |
| Model Number | M16A3/R0977 |
| Feed Method | MAGAZINE |
| Size Designation | 5.56 MILLIMETER MM |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| RO977 M16A3 (M4) PRIMARY | Colt's Manufacturing Company, Llc (USA) |
NSN 1005-01-438-1838 is a Rifle,5.56 Millimeter, manufactured by Colt's Manufacturing Company, Llc, classified under FSC 1005, Guns, Through 30mm. Status: active.
NSN 1005-01-438-1838 has 1 manufacturer part number on file: RO977 M16A3 (M4) (Colt's Manufacturing Company, Llc).
Key specifications for RO977 M16A3 (M4): Model Number: M16A3/R0977; Feed Method: MAGAZINE; Size Designation: 5.56 MILLIMETER MM; Special Features: 1 IN 7 IN. RIFLING TWIST; SAFE, SEMIAUTO AND FULL AUTO FIRE CONTROL; COMPLETE WITH 30 ROUND 5.56 MM MAGAZINE, SLING AND CLEANING KIT MM. 3 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 1005-01-438-1838 has DEMIL Code D. Demilitarization may be required before disposal or transfer to non-military entities.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.