Purchased in the course of a beautiful sale, went with serrations only/no holes. This is truly high precision and gets rid of complaints I've regarding the stock slide, Specially with my aftermarket barrel and the GS tungsten guidebook rod. Humorous how so most of the result in shooting on their https://bookmarksfocus.com/story14688384/how-much-you-need-to-expect-you-ll-pay-for-a-good-glock-43x-slide