Compensator with Picatinny Rail for S&W Sigma 40F

Here is a compensator for the replica of Sigma 40F of Smith and Wesson (Cybergun or Firepower).
This compensator will hide the long barrel (optional) of the replica and allow accessory mounting under the replica

2 versions:

- A version with a straight front and straight slots round end
- A version with a truncated front and leaning slots hexagonal end

Fixing under the replica are made with 2xM3 screws.

(For information : the parts on picture have made by SLS process)