Jerry Miculek makes an incredible shot using a 9mm revolver off-hand at 1000 yards. Equipment is the S&W Jerry Miculek Signature Series 929 8-Shot N-Frame chambered in 9mm Luger. The cartridges are Hornady 147-grain XTPs. The optic is a Vortex Razor Red Dot.
The balloon is there so the spotter can actually see if the steel target was hit or not. Spalling (fragments) are broken off the bullet when it hits the steel plate, and those fragments rupture the balloon. That’s why he goes down range to show where the bullet impact was.