ΔE 9.2, close: similar, with a visible difference side by side. Molten Bronze is a little lighter, more muted than Weapon Bronze.
Usually, if you are not matching paint already on the model. Close match (ΔE 9). Molten Bronze is a little lighter, more muted than Weapon Bronze.
The same difference applies the other way round: Weapon Bronze is a little darker, more saturated.
ΔE is the colour difference between our two swatch estimates: under about 6 is close, over about 15 is loose. Real paints also differ in finish, coverage and how they thin, so test before you commit.
See Weapon Bronze on the colour wheel See Molten Bronze on the colour wheel
All matches: Weapon Bronze equivalents · Molten Bronze equivalents