1 Piece All Metal Glock FRT. Custom Skeleton Design. Made in 316 Stainless Steel. Will fit most 9mm models such as 19,17,43,26 Gen 1-5. Will fit the PSA clones like the Dagger. 
You can keep the slide catch on some builds. May need some mods such as
-Sanding Trip Surface Thinner/Flatter
-20-22lb recoil spring
-3.5 Ghost Trigger Kit
Some good tips can be found on Youtube here 
https://youtu.be/ZwVzcFidyP4?si=H2_O9jyRU7ApaRlo
This wont be drop in as it fits many various models. Some tinkering/sanding expected to get a smooth rack. If you rack it many times it will smooth itself out.