Skin for Rust's Semi-auto Pistol, part of the Pilot Pack DLC. Get it here:
https://rust.facepunch.com/store/pack/pilot#M15
The M15 was a variant of the 1911 pistol with a series of usability improvements, designed especially for US officers.
Concept, model and textures by me.

Special thanks to Matt Isaac and the whole art team for their help and feedback!
https://www.artstation.com/mattisaac