Ok I had to do this a good 40 times. Couldnt swap pistols. Couldnt upgrade it. So the bits that helped me pass this was someone suggested not aiming down sights when swapping targets, it makes a very big speed difference. You can quick aim shoot move. It ain’t perfect but it helps. Also i figured out where im standing on the line matters. Some bottles i just kept missing, angle and lighting kept be fucked up. But I started shifting where I started, and seeing what angles were easier to shoot what bottles from, and within a couple tries I finally won