You can find the True Precision AXIOM Slide for Glock 43/43X Optic Cut Gold TiN here.

The True Precision AXIOM Slide for Glock 43/43X has cuts for Shield Arms RMS Series optics (RMS, RMSc, RMSw, and SMS). It will also fit the Holosun 507K, Sig Romeo Zero, Leupold Delta Point Pro, Swampfox Sentinel 1x16, JP Enterprises Jpoint, & Vector Optics Frenzy-S 1x17x24 MIC sights. Slide optic cuts are made without the additional two mounting lugs to accommodate a wider variety of optics, such as the Holosun, without modification. Machined from solid billet 17-4ph certified steel and heat-treated to spec. The aggressive cuts and angled serrations help with barrel cooling and grip. Includes an anodized black optic cover plate with mounting screws for use without an optic installed. 100% US-manufactured and designed.

Firearm: Glock 43/43X
Finish: Gold TiN