The key point here, is that Sarge gave her every opportunity to have her bluff called (if that's what it had been). Then, when her requests were repeated and backed up with words that implied understanding, the teacher allowed the student to proceed.
I loved the story. For the record I have no desire to fire anything bigger than a .44mag from a handgun.
She's got balls!
.45acp, .40 S&W, 9mm, .38 Spl, .380 acp, 22lr
12 gauge, .223/5.56x45mm, 30-30 Winchester
2 Chron. 7:14 Christians must seek His face