I am about to submit a Form 1 to SBR a Glock. It is chambered in .40 S&W. In the box for caliber, does the ATF prefer just ".40" or ".40 S&W"? Or does it make no difference at all?
I am about to submit a Form 1 to SBR a Glock. It is chambered in .40 S&W. In the box for caliber, does the ATF prefer just ".40" or ".40 S&W"? Or does it make no difference at all?