=== M40-A1 ===
''With this simple service, your Steyr M357 can fire .40 S&W instead of .357 SIG. I guess that makes , making it an M40.''
Cost: [[File:Parallar symbol.png|10px]]'''100'''
Modifications:
* Caliber: Becomes [[.40 S&W]].
[[Category:Class 3 weapons]]