Manufacturer catalog

Patria Hägglunds Oy

Patria Hägglunds Oy was the Finnish-Swedish joint venture formed around the AMOS 120 mm turreted mortar program. Patria describes the AMOS collaboration as beginning with Swedish Hägglunds in 1995, with Patria responsible for weapon development and Hägglunds responsible for the turret and auxiliary systems. A later Patria article says Patria and Hägglunds set up Patria Hägglunds in 1999 to sell and market the jointly developed AMOS system, and Patria's 2010 Finnish Army order notice described the venture as owned equally by Patria Oyj and BAE Systems Hägglunds AB.

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The company's public footprint is concentrated on AMOS, a twin-barrel breech-loaded 120 mm mortar turret intended for protected wheeled, tracked, and naval platforms. Patria's own development history traces the system from the 1995 Patria-Hägglunds collaboration through the 1997 AMOS technology demonstrator, while its 2010 order announcement identifies Patria Hägglunds as the supplier for 18 Finnish Army AMOS mortar vehicles and the associated maintenance, overhaul, and training package.

Patria Hägglunds Oy's public-source footprint is limited to the AMOS joint venture and should not be read as a general substitute for Patria Group or BAE Systems Hägglunds. Patria's sources distinguish the AMOS venture from later Patria-only NEMO development, which followed after the heavier twin-barrel turret proved less suitable for smaller vessels.

turreted mortar systemsbreech-loaded 120 mm mortar turretsarmored vehicle weapon integrationjoint Finnish-Swedish mortar marketingAMOS mortar vehicles

Notable Systems

AMOS, Twin-barrel 120 mm turreted mortar system, Artillery

AMOS

Twin-barrel 120 mm turreted mortar system

AMOS is the joint venture's core system: a twin-barrel 120 mm breech-loaded mortar turret developed through the Patria-Hägglunds collaboration for vehicle and naval integration.

Sources: Nemo hits by surprise, International incident!, Advanced Mortar System (AMOS)
AMOS, Twin-barrel 120 mm turreted mortar system, Artillery

XA-361 AMOS

Twin-barrel 120 mm turreted mortar system

The Finnish Army fielded AMOS on the Patria AMV-based XA-361 mortar vehicle; Patria Hägglunds announced an 18-vehicle Finnish Army delivery package in 2010.

Sources: Nemo hits by surprise, Patria Hägglunds to deliver AMOS mortar vehicles to the Finnish Army

Manufacturer History

  1. AMOS collaboration begins

    Patria says it initiated collaboration with Swedish Hägglunds in 1995 to modernize 120 mm vehicle-mounted mortar systems, with Patria handling weapon development and Hägglunds handling the turret and auxiliary systems.

    Sources: Nemo hits by surprise

  2. Patria Hägglunds joint venture established

    Patria says Patria and Hägglunds set up the Patria Hägglunds joint venture in 1999 for sale and marketing of the jointly developed AMOS mortar system.

    Sources: International incident!

  3. Finnish Army AMOS serial-production order announced

    Patria announced that Patria Hägglunds would deliver 18 AMOS mortar vehicles to the Finnish Army, with the order including maintenance, overhaul, and training equipment and planned fielding in 2013.

    Sources: Patria Hägglunds to deliver AMOS mortar vehicles to the Finnish Army

Public sources tie Patria Hägglunds Oy to the AMOS joint venture. Broader Patria Group systems, BAE Systems Hägglunds vehicle programs, and Patria-only NEMO development should remain separate unless a source specifically attributes them to Patria Hägglunds Oy.

Manufacturer Sources

  • Patria Hägglunds to deliver AMOS mortar vehicles to the Finnish ArmyPublisher: Patria | Note: Supports Patria Hägglunds Oy manufacturer identity, Finnish Army AMOS delivery role, 18-vehicle order, and equal ownership by Patria Oyj and BAE Systems Hägglunds AB. | Accessed: 2026-07-11
  • Patria in briefPublisher: Patria | Note: Supports current Patria Group corporate context for the Finnish side of the joint-venture attribution. | Accessed: 2026-07-03
  • Nemo hits by surprisePublisher: Patria | Note: Supports AMOS development history, the 1995 Patria-Hägglunds collaboration, Patria/Hägglunds work split, AMOS TD milestone, XA-361 AMOS integration, vessel testing, and the later Patria-only Nemo development path. | Accessed: 2026-07-11
  • International incident!Publisher: Patria | Note: Supports the 1999 creation of Patria Hägglunds for sale and marketing of the jointly developed AMOS mortar system. | Accessed: 2026-07-11
  • Advanced Mortar System (AMOS)Publisher: Defense Update | Note: Supports independent defense-reporting context for AMOS as a Patria Vammas and Hägglunds joint-venture twin-barrel 120 mm breech-loaded mortar turret, including wheeled, tracked, and naval integration background. | Accessed: 2026-07-11
  • AMOS-FIN XA-361 20180604Publisher: Wikimedia Commons | Note: Supports rights-clear image provenance for the XA-361 AMOS photograph used on this manufacturer page. | Accessed: 2026-07-11

Produced weapons

Category

Artillery

Tube artillery, rocket artillery, and long-range ground fires.

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