Looking to update your slimline Glock to a dedicated optic ready slide? Well now you can. We've taken our nothin' but business Duty slide and made it compatible with the Glock 43/43x. Cut for the Shield Sights RMSc, this flexible footprint allows the user to choose from multiple optic options available on the market today. The Duty slide is a simple upgrade with immediate benefits. Compatible Optics Shield Sights: RMS, RMSc, and SMSc series Vortex Optics: Defender CCW Holosun: EPS Carry, AEMS Micro, EPS Core (coming soon) Eotech: EFLX CE Primary Arms: Classic 21mm Micro, CLx Enclosed Swampfox Optics: Sentinel and Sentinel 2 Sig Sauer: RomeoZero, Romeo-X Compact Included Components Duty slide