SIG-Sauer's First Polymer Framed Handgun: The SIG Pro SP2340
This guide details the process of converting a SIG Pro SP2340 from .40 S&W to .357 SIG using a drop-in barrel. The video highlights that this conversion is possible, though SIG recommends adjusting sights for optimal accuracy with the new caliber. The speaker, Hop, provides an expert perspective on the firearm's history and technical aspects.











