Originally Posted by Mesa
Bad reload? [ ] Hard for me to imagine that this originated in the .22 chamber....unless somebody packed the barrel with dynamite.

Here’s another guess, maybe as good as any:
The fella was loading up some home-brew rimfire ammo, using primed 22LR cases he purchased from FedArm. He ran outa Bullseye and couldn’t find more. So, instead, he used just a pinch of C-4 from his “Nam souvenir” Claymore.



Every day’s an adventure.