The Artillery Gun Module (AGM, Artillerie-Geschütz-Modul) is an air-portable 155 mm self-propelled howitzer designed by Krauss-Maffei Wegmann.

It is based on technology used in the German Army Panzerhaubitze 2000 (PzH 2000) system, to provide more air portable self-propelled artillery, transportable by Airbus A400 aircraft.

During trials in 2006, a demonstrator vehicle fired a volley of ten 155 mm rounds in 2 minutes and 19 seconds with a crew of two being seated in the fully armoured protected cab.

[2] Contrary to all other wheeled artillery systems, the RCH-155 doesn't require an additional ground support to ensure the precision and the durability.

And a remote weapons station with a .50 caliber machine gun can be fitted on the roof, but with a rather low profile to remain in the railroad loading gauges.

[5] In 2023, Switzerland selected 2 systems to compete for the replacement program of the M-109 ("Artillerie Wirkplattform und Wirkmittel 2026"), the RCH-155, and the BAE Archer.

However, in 2017, it appeared that the IDF had selected a development of the ATMOS 2000 instead, possibly because they preferred a wholly Israeli produced system for legal reasons.