The video is a tad long and he does a lot of rambling but... interesting science project.
Actually, Over the weekend I loaded up 20 Hornady XTP 9mm in 147gr using 3.4 gr of Tight Group and CCI #400 SRP... they all shot flawlessly. YMMV
Actually, Over the weekend I loaded up 20 Hornady XTP 9mm in 147gr using 3.4 gr of Tight Group and CCI #400 SRP... they all shot flawlessly. YMMV