9mm at 100 yards

[Alan]

Instead of getting caught up in brand debates, let’s focus on what really makes a 9mm platform perform better at 100 yards. For those who have fine-tuned their setups for precision, which barrel specifications, trigger enhancements, and ammunition choices have yielded the best results? If you’ve been tracking your groupings before and after making changes, feel free to share them so we can compare actual outcomes.