The 120mm M2 Rifled Heavy Mortar (Portuguese: Morteiro Pesado 120mm M2 raiado) is a Brazilian 120 mm mortar designed to have great firepower, mobility, and flexibility.

The RT-M2 is designed by the War Arsenal of Rio de Janeiro for the Brazilian Army artillery.

The RT-M2 can use any 120 mm ammunition built to international standards.

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