Patent us3782240 Mm mortar Mortar 81mm m880 ammunition military gp 81 srtr inetres infantry schematic portable bronze mortar
m19 mortar
M29a1 81mm medium mortar M19 mortar Mortar mm 60mm tube elevation schematic weaponry improvised bev fitchett guns magazine
Mortar 81mm infantry technical data military medium m29 system gp inetres
81mm mortar ammunition and fuzesMortar mm m224 military handheld army fm m19 mode gun .
.
