Hi Robert and welcome. Yes. The VP9 long slide optics ready kit quickly and easily converts a standard VP9 or VP9-B to a duty or competition ready long slide optics ready model. No additional parts or tools are needed for assembly. Just swap out the whole slide assembly and go shoot.
VP9L 2020 slide kit arrives complete & includes:
Slide assembly with rear serrations, charging supports, and forward serrations / lightening cuts.
O-ring enhanced barrel, optimized and fit for accuracy
Complete small parts and fire control including back plate, striker assembly, and drop safety
Suppressor height sights. Black serrated rear and high contrast tritium front sight.
The Suppressor Height sights are specific for lower 1/3 co-witness with a mounted RMR. Other sights may vary.
Complete recoil assembly
Extra O-rings
Cover plate for optics cut. - Cheers and stay safe!

Yes, it’s a fully assembled, complete slide. Barrel (with o-ring) and guide rod assembly (with recoil spring) as well as SUPPRESSOR height sights are included.