XS R3D 2.0 vs. HK VP9 OEM sights

Around the June 2023 timeframe, XS SIGHTS introduced the R3D 2.0 night sights with initial offerings for GLOCK and Smith & Wesson pistols. As the year progressed, XS expanded the line to include SIG SAUER, FN and HK. In this review, I’ll tell you why your VP9 should be wearing the sight set on the right.