This is the 1699th most frequent Russian word.
боеприпасами
"Боеприпасами" means "ammunition."
In this sentence, 'боеприпасами' is instrumental plural form of 'боеприпасы', meaning 'ammunition', referring to the tools or equipment provided to soldiers for combat.
Военные оснащены современными боеприпасами.
The soldiers are equipped with modern ammunition.
Here, 'боеприпасами' implies the presence of a variety of ammunition stored in the warehouse.
Склад был заполнен различными боеприпасами.
The warehouse was filled with various types of ammunition.
In this expression, 'боеприпасами' refers to ammunition loaded onto the truck for transportation.