The Global Medium Caliber Ammunition Market was valued at USD 1.13 Billion in 2023 and is projected to reach USD 1.34 Billion by 2030, growing at a Compound Annual Growth Rate (CAGR) of 2.4% during the forecast period (2024–2030). This steady growth is being driven by increasing global defense budgets, modernization programs for armed forces, and heightened geopolitical tensions that necessitate robust military readiness.

As national security priorities evolve and military technology advances, the demand for reliable, high-performance medium caliber ammunition continues to escalate. In this blog, we profile the Top 10 Companies in the Medium Caliber Ammunition Industry—a mix of defense giants, specialized manufacturers, and technology innovators shaping the future of global defense capabilities.

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🔟 1. BAE Systems

Headquarters: London, United Kingdom
Key Offering: 30mm, 25mm, 40mm ammunition systems

BAE Systems is a global defense, aerospace, and security company with a formidable presence in the ammunition sector. Their portfolio includes a wide range of medium caliber ammunition for ground combat vehicles, naval guns, and aircraft armaments, known for their precision and reliability in diverse combat environments.

Key Defense Programs:

• Primary supplier for advanced 30mm munitions used in the CV90 infantry fighting vehicle

• Development of programmable airburst munitions for enhanced lethality

• Integrated logistics support for global military customers

Download FREE Sample Report: Medium Caliber Ammunition Market – View in Detailed Research Report

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9️⃣ 2. Northrop Grumman Corporation

Headquarters: Falls Church, Virginia, USA
Key Offering: 20mm, 25mm, 30mm ammunition systems

Northrop Grumman is a leading global security company providing innovative systems, products, and solutions in autonomous systems, cyber, space, and strike capabilities. Their medium caliber ammunition division supports various Department of Defense programs with advanced munitions technology.

Key Defense Programs:

• Supplier of 30mm x 173mm ammunition for the MK44 Bushmaster chain gun

• Advanced fuzing technology for programmable munitions

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8️⃣ 3. General Dynamics Ordnance and Tactical Systems

Headquarters: St. Petersburg, Florida, USA
Key Offering: 20mm, 25mm, 30mm, 40mm ammunition

General Dynamics is a premier aerospace and defense company whose ordnance division specializes in the production of medium and large caliber ammunition. They provide comprehensive ammunition solutions for the U.S. military and allied nations with stringent quality control and manufacturing excellence.

Key Defense Programs:

• Primary producer of 25mm ammunition for the Bradley Fighting Vehicle

• 40mm family of ammunition for grenade launchers

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7️⃣ 4. Nammo AS

Headquarters: Raufoss, Norway
Key Offering: 12.7mm, 20mm, 30mm, 40mm ammunition

Nammo is a Scandinavian aerospace and defense company specializing in ammunition, rocket engines, and demilitarization services. They are particularly recognized for their expertise in environmentally friendly ammunition and advanced medium caliber solutions for NATO and partner nations.

Key Defense Programs:

• Development of reduced hazard ammunition (RHA) technology

• Multi-national supplier for 12.7mm and .50 caliber systems

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6️⃣ 5. Rheinmetall AG

Headquarters: Düsseldorf, Germany
Key Offering: 27mm, 30mm, 35mm, 40mm ammunition systems

Rheinmetall is a German automotive and defense company with a strong presence in the weapons and ammunition sector. Their medium caliber ammunition is renowned for precision engineering and is deployed across European and global defense forces in vehicle-mounted and aircraft systems.

Key Defense Programs:

• 35mm ammunition for the GDF series anti-aircraft guns

• Programmable 40mm ammunition for automatic grenade launchers

Download FREE Sample Report: Medium Caliber Ammunition Market – View in Detailed Research Report

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5️⃣ 6. Elbit Systems Ltd.

Headquarters: Haifa, Israel
Key Offering: 30mm, 40mm ammunition and fuzing systems

Elbit Systems is an international defense electronics company that also produces advanced ammunition systems. Their medium caliber offerings include smart munitions with advanced fuzing options, providing tactical advantages in modern battlefield scenarios.

Key Defense Programs:

• Development of airburst munition technology

• Integrated ammunition solutions for armored vehicle upgrades

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4️⃣ 7. Denel Pty Ltd

Headquarters: Centurion, South Africa
Key Offering: 20mm, 30mm, 35mm, 40mm ammunition

Denel is a South African state-owned aerospace and military technology conglomerate with a strong ammunition manufacturing division. They produce a wide range of medium caliber ammunition for domestic use and export to international markets, particularly in Africa and the Middle East.

Key Defense Programs:

• Manufacturer of 35mm ammunition for the G12 cannon

• Development of air defense ammunition systems

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3️⃣ 8. ST Engineering

Headquarters: Singapore
Key Offering: 25mm, 30mm, 40mm ammunition systems

ST Engineering is a Singapore-based technology, defense, and engineering group with growing capabilities in ammunition manufacturing. Their medium caliber products serve both domestic Singapore Armed Forces requirements and international customers in the Asia-Pacific region.

Key Defense Programs:

• Supplier for Singapore’s Bionix Infantry Fighting Vehicle ammunition

• Regional ammunition support and maintenance services

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2️⃣ 9. MAXAM Corp.

Headquarters: Madrid, Spain
Key Offering: 12.7mm, 20mm, 25mm, 30mm ammunition

MAXAM is a Spanish company specializing in the design, development, and manufacturing of energetic materials and defense products. Their medium caliber ammunition division focuses on advanced propellant technologies and environmentally sustainable manufacturing processes.

Key Defense Programs:

• Development of low vulnerability ammunition (LOVA) propellants

• Supplier to European defense forces and international markets

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1️⃣ 10. Poongsan Corporation

Headquarters: Seoul, South Korea
Key Offering: 20mm, 30mm, 40mm ammunition systems

Poongsan is a South Korean industrial conglomerate with a major defense division specializing in ammunition and non-ferrous metal products. They are a key supplier to the Republic of Korea Armed Forces and export medium caliber ammunition to allied nations worldwide.

Key Defense Programs:

• Primary ammunition supplier for South Korea’s K9 Thunder howitzer secondary armament

• Technology cooperation agreements with global defense partners

Get Full Report Here: Medium Caliber Ammunition Market – View in Detailed Research Report

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🌍 Outlook: The Future of Medium Caliber Ammunition Is Smarter and More Precise

The medium caliber ammunition market is undergoing significant technological transformation. While conventional ammunition still comprises the majority of production volumes, the industry is increasingly focused on smart munitions, enhanced lethality, and reduced environmental impact.

📈 Key Trends Shaping the Market:

• Development of programmable airburst munitions for increased effectiveness

• Integration of guidance systems in medium caliber projectiles

• Emphasis on insensitive munitions for improved safety

• Advanced materials for enhanced penetration and terminal effects

Get Full Report Here: Medium Caliber Ammunition Market – View in Detailed Research Report

The companies listed above are not only supplying critical defense capabilities—they’re driving the technological evolution of modern warfare through innovation in medium caliber ammunition systems.