Britain ends 20-year tank gun drought with new 245-barrel factory – Interesting Engineering

Britain ends 20-year tank gun drought with new 245-barrel factory  Interesting Engineering

Rheinmetall has opened a new weapons manufacturing facility in Telford, England, restoring Britain’s ability to produce large-caliber tank and artillery guns domestically. The factory can manufacture up to 245 barrels annually, marking a major expansion of the country’s defense manufacturing capacity.The UK Gun Hall will produce 120mm and 155mm weapon systems, including guns for Britain’s Challenger 3 main battle tank program. Its opening also strengthens industrial cooperation between Britain and Germany under their Trinity House Agreement.Factory scales up gun productionRheinmetall equipped the 11,500-square-meter facility in just eight months, turning an empty building into an operational manufacturing site. Production began with breeches and breech blocks in May 2026. Barrel manufacturing followed in June.The facility can also produce more than 50 breeches annually at peak capacity.

Its production lines will serve British military requirements alongside demand from NATO allies and international customers.The factory’s capabilities extend beyond finished gun barrels. Manufacturing breeches and breech blocks requires precision engineering and strict quality controls. Producing these components domestically gives Britain greater control over critical stages of weapons manufacturing.Rheinmetall also plans to source British steel from Sheffield Forgemasters. That step would bring another part of the manufacturing supply chain into the UK and support domestic steel production.Challenger 3 drives demandThe new facility will support Britain’s Challenger 3 tank program, which will use a 120mm smoothbore gun.