One lucky redneck right there.
L
No “i” in ordnance ..... has to be inert ....< / sarcasm>
Lots of Civil War era cannonballs still lurk out there .... render safe is / was usually just counter charge em with a quarter pound of C4 and blow em in place (BIP)....
Old blackpowder is nothing to dink around with. Gets, wet, dry, wet etc and is unstable as hell over time. Not as bad as old dynamite but same level of instability .
Stay Safe !