Boxer vehicle

UK Begins Production Of RCH155 Self-Propelled Howitzers

The RCH155 self propelled howitzer program has entered production for the British Army, marking a major milestone in the United Kingdom’s effort to modernize its artillery forces. The initial production effort will manufacture 37 weapon systems for the Boxer-based artillery platform that will form the backbone of the Army’s future mobile fires capability.

The production contract covers key elements of the artillery module including the gun barrel, breech mechanism, recoil system, muzzle brake, and trunnions used to mount the weapon within the turret assembly. The RCH155 system integrates a remotely operated 155mm artillery gun module onto the highly mobile Boxer 8×8 armored vehicle, creating a modern wheeled self-propelled artillery platform designed for rapid deployment and long-range precision fires.

The system is part of the British Army’s Mobile Fires Platform (MFP) program, which aims to replace the aging AS90 self-propelled howitzers while restoring artillery capability following equipment transfers to Ukraine.

The Big Picture

European armies are accelerating artillery modernization as the war in Ukraine highlights the decisive role of long-range fires on the modern battlefield.

NATO planners increasingly emphasize the need for mobile, long-range artillery capable of rapid shoot-and-scoot operations, which allow units to fire and relocate before enemy counter-battery systems can respond.

The British Army’s RCH155 program reflects a broader shift within NATO toward wheeled artillery systems with extended range, high automation, and networked targeting capabilities. These systems allow forces to deliver accurate fires at longer distances while reducing crew exposure and improving battlefield survivability.

At the same time, the program supports deeper defense industrial cooperation between the United Kingdom and Germany, two of NATO’s largest European military powers.

What’s Happening

The United Kingdom has initiated production of 37 RCH155 artillery weapon systems as part of the early phase of the Mobile Fires Platform program.

The RCH155 combines two core elements:

• The Boxer 8×8 armored vehicle chassis
• The Artillery Gun Module (AGM) featuring a remotely operated 155mm L52 cannon

This modular configuration allows the system to deliver heavy artillery firepower while maintaining the mobility and logistical advantages of a wheeled armored platform.

The artillery system can fire at rates of up to eight rounds per minute and engage targets at ranges approaching 70 kilometers depending on ammunition type. The platform can also operate with a reduced crew, typically two personnel inside the vehicle, thanks to a high level of automation.

The program also includes significant investment in domestic manufacturing capability. Rheinmetall is expanding its large-caliber gun barrel production facility in Telford, which will produce barrels for the RCH155 and other major British Army weapon systems.

Why It Matters

The RCH155 self propelled howitzer provides the British Army with a step change in mobility, automation, and firing range compared with legacy artillery systems.

The previous AS90 tracked howitzer entered service in the early 1990s and lacks many modern features such as automated loading systems, networked digital fire control, and extended-range precision munitions.

Replacing that capability is critical for maintaining NATO artillery parity against potential adversaries that have heavily invested in long-range fires.

Russia, for example, continues to field a large inventory of tube and rocket artillery systems that have proven decisive in high-intensity conflict environments.

Modern artillery platforms such as the RCH155 help address this challenge by combining rapid mobility, digital targeting integration, and extended strike range.

Strategic Implications

The British Army’s RCH155 program strengthens NATO’s ability to conduct distributed long-range fires operations across the alliance’s eastern flank.

Wheeled artillery systems provide several advantages for European operations.

They can deploy rapidly across long road networks, require less maintenance than tracked platforms, and can reposition quickly after firing. This mobility improves survivability against counter-battery radars and precision strikes.

The program also reinforces European defense industrial resilience. Establishing domestic production of large-caliber artillery barrels reduces reliance on foreign suppliers and increases surge production capacity during crises.

These industrial capabilities have become increasingly important as Western nations expand ammunition production and artillery manufacturing in response to rising global demand.

Competitor View

Strategic competitors closely monitor NATO artillery modernization programs.

Russia has long emphasized massed artillery fires as a central element of its military doctrine. The introduction of longer-range and more mobile NATO artillery systems complicates Russian counter-battery operations and increases the survivability of Western artillery units.

China is also investing heavily in long-range artillery and rocket forces designed for high-tempo maneuver warfare. Programs such as the RCH155 demonstrate how NATO armies are adapting to similar operational concepts.

From a strategic perspective, the system reinforces the alliance’s ability to sustain precision long-range fires across contested environments.

Capability Gap

The British Army faced a significant artillery capability gap after transferring 32 AS90 self-propelled howitzers to Ukraine, reducing its available artillery inventory.

To address the immediate shortfall, the United Kingdom procured Archer wheeled artillery systems from Sweden as an interim solution while the long-term Mobile Fires Platform program progressed.

The RCH155 now represents the long-term solution designed to replace older artillery systems with a more modern and survivable capability.

However, the program also reflects broader challenges facing Western artillery forces, including limited ammunition production capacity and the need for integrated digital fire control networks across NATO formations.

What To Watch Next

Several key milestones will determine how quickly the RCH155 system enters operational service.

Upcoming developments include:

• Completion of artillery module production for the initial batch
• Integration with the Boxer armored vehicle fleet
• Operational testing with Royal Artillery units
• Expansion of domestic barrel manufacturing capacity in the United Kingdom

The British Army expects the RCH155 system to enter service later in the decade as the core of its future artillery force.

The Bottom Line

The RCH155 self propelled howitzer program marks a major step in rebuilding British long-range artillery capability while strengthening NATO’s mobile fires capacity for high-intensity warfare.