People are so ignorant. Bless their hearts.
He was drilling a spent cartridge. Big deal.
It would be more fun to leave the bullet, cartridge, powder and primer in place, then drill the primer and insert the wires into the primer.
Somebody wants to hear their music too loud? Instant sanity!
(Er, silence.)
(Er, instant silence after big bang.)
(Er, instant loud silencer after sudden bang.)