> Gunpowder is also a low explosive Yes, but a lot of modern formulations are based around RDX chemistry or nitroguanidine, etc. So, a big portion of the "sm

> Gunpowder is also a low explosive Yes, but a lot of modern formulations are based around RDX chemistry or nitroguanidine, etc. So, a big portion of the "smell" is high explosive even if the overall formulation burns subsonic.