This is a kit for MaverickPrime's Siege Cassette Condor (link below). It replaces the head and booster parts to create Beak from MTMTE/Lost Light. This was scratch built in TinkerCAD and has not been tested yet, so your milage may vary.

https://cults3d.com/en/3d-model/game/siege-cassette-condor?srsltid=AfmBOoqlXo4cuc4b-vvqhcjqFYMyxaSDJfN0Vo4T1Y0e5b03flCr-GBB