This is a fan art 3D-model based on the Kindled Orchid Hand cannon found in Destiny 2.
Some additional notes: So originally in the source material, the magazine of the weapon does not contain bullets/bulletholes in it. I ended up deviating from the source material a bit in this aspect. The handle is also something I'm not completely satisfied about, but it's good enough for now.
This is a non-commercial fan art 3D-model. I do not own any of the source materials that this model is modeled after.