We can engrave your polymer / plastic receiver for your form 1 build. Our fiber laser engraver does an excellent job with polymer / plastic. The job takes a litte longer due to the slower speed as to not melt the material. The lettering height needs to be a minimum of 1/18 inch to avoid issues with the clarity of the engraving. Feel free to conact us with any questions. 704-942-8671
1/16 inch engraving not available with polymer due to material properties.
The $15 return shipping covers as many items as you send at the same time.