Nammo Mac LLC
Bay Saint Louis, MS
- UEI
- VPN4JXRJTKS6
- CAGE
- 4SUD6
- Primary NAICS
- 332992 Small Arms Ammunition Manufacturing
- SAM.gov registration
- Active through
Company facts
- FY2025 rankings
- Self-certified in SAM.gov
- Entity structure
- Partnership or Limited Liability Partnership
- Other NAICS codes in SAM.gov
- SAM.gov registration date
- Physical address
- 13011 Rd G, Bay St Louis, MS 39520, USA
Registration and certifications come from SAM.gov and the SBA; company details from public web sources. Updated .
Contract obligations by fiscal year
| Fiscal year | Obligated |
|---|---|
| FY2027 To date | $0 |
| FY2026 | $0 |
| FY2025 | $7,025,215 |
Contract awards
| Award | Agency | Obligated | Awarded |
|---|---|---|---|
| 50 caliber API/API-T (AC74) | Marine Corps (Navy) | $2,025,221 | |
| 50 caliber API/API-T linked | Marine Corps (Navy) | $4,999,994 | |
| 50 caliber API/API-T linked | Marine Corps (Navy) | $3,866,209 | |
| Shelf lift testing | Naval Sea Systems Command (Navy) | $62,566 | |
| 0002AB .50 CAL ball linked MK 323 MOD 0 | Marine Corps (Navy) | $3,080,925 |
Latest 5 listed here. See the rest on GovTribe.
Grant awards
| Award | Agency | Obligated | Awarded |
|---|---|---|---|
| Title III light weight ammunition and armor program | Air Force Research Laboratory (AFMC) | $16,706,628 |
Similar vendors
| Vendor | Location | Primary NAICS |
|---|---|---|
| General Dynamics Ordnance & Tactical Systems, Inc. | Mesquite, TX | 332993 Ammunition (except Small Arms) Manufacturing |
| PCP Tactical, LLC | Sebastian, FL | 332992 Small Arms Ammunition Manufacturing |
| Nammo Lapua OY | — | 332993 Ammunition (except Small Arms) Manufacturing |
| Nammo Raufoss AS | Oppland | 332993 Ammunition (except Small Arms) Manufacturing |
| Bay Cast Inc. | Bay City, MI | 331513 Steel Foundries (except Investment) |
About the company
Nammo Mac LLC, registered in SAM.gov since 2007 and located in Bay St Louis, Mississippi, is a foreign-owned, for-profit manufacturing organization specializing in producing specialized ammunition for the U.S. Department of Defense. The company primarily serves military branches, with a concentrated focus on developing and manufacturing high-precision ammunition products, particularly for the U.S. Marine Corps and Naval Sea Systems Command. As a partnership or limited liability partnership, Nammo Mac LLC has established itself as a critical supplier of advanced ammunition technologies.
The company's federal contract awards demonstrate a consistent track record of providing .50 caliber ammunition variants, including armor-piercing incendiary (API), armor-piercing incendiary-tracer (API-T), and linked ammunition. These contracts, primarily awarded by the U.S. Marine Corps, have ranged in value from $62,566 to nearly $5 million, covering production of specialized ammunition types like .50 caliber ball linked MK 323 MOD 0. Additionally, Nammo Mac LLC has expanded its service offerings to include technical services such as shelf lift testing, as evidenced by a purchase order from Naval Sea Systems Command. None of their contracts have been designated as set-aside, indicating open competition for their awards.
Nammo Mac LLC has secured a significant indefinite delivery contract (IDV) with the U.S. Marine Corps, valued at $94,999,996.82 and running through June 9, 2030. This IDV focuses on the production and delivery of .50 caliber API and API-T ammunition, with an initial task order of $2,025,220.97 effective through July 1, 2026. The contract is a single-award IDV, suggesting Nammo Mac LLC has been selected as the primary vendor for these specialized ammunition products. The IDV demonstrates the company's strategic importance to the Marine Corps' ammunition supply chain and its capability to provide complex, high-performance ammunition solutions for military operations.
Quick answers
Is Nammo Mac LLC registered in SAM.gov?
Yes. Nammo Mac LLC's SAM.gov registration is active through January 6, 2027.
What is Nammo Mac LLC's CAGE code?
Nammo Mac LLC's CAGE code is 4SUD6, and its Unique Entity ID (UEI) is VPN4JXRJTKS6.
How much has Nammo Mac LLC received in federal contracts?
Federal contracts obligated $7,025,215 to Nammo Mac LLC in fiscal year 2025.
How does Nammo Mac LLC rank among federal contractors?
Nammo Mac LLC ranked #9 in NAICS 332992, #11 in PSC 1305 and #69 in PSC 13 in FY2025.
What is Nammo Mac LLC's most recent federal award?
Nammo Mac LLC's most recent federal contract award is 50 caliber API/API-T (AC74) (M6785425F5213), from Marine Corps (Navy), on June 10, 2025.
On GovTribe
See Nammo Mac LLC's full federal record
- Federal contract awards
- IDV awards
- Federal grant awards
- Subcontracting relationships
- Funding analysis by agency, NAICS and set-aside
- Similar vendors