SIG-Sauer's First Polymer Framed Handgun: The SIG Pro SP2340

Published on June 17, 2020
Duration: 12:59

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.

Quick Summary

The SIG Pro SP2340 was SIG Sauer's inaugural polymer-framed handgun, launched in 1998. It features a DA/SA trigger and a proprietary accessory rail. Notably, it can be converted to fire .357 SIG using a drop-in barrel intended for the SP2022, though sight adjustments are recommended. The SP2022 is often preferred for its standard accessory rail.

Chapters

  1. 00:00Introduction to SIG Pro SP2340
  2. 00:36History and Variants
  3. 01:01Design and Features
  4. 01:45Magazine and Sights
  5. 02:36Shooting Performance
  6. 03:32Controls and Trigger
  7. 04:29Caliber Conversion to .357 SIG
  8. 05:51Takedown and Barrel Swap
  9. 07:42Sight Alignment and Point of Impact
  10. 09:40Final Thoughts on the SIG Pro Series

Frequently Asked Questions

What was SIG Sauer's first polymer-framed handgun?

SIG Sauer's first polymer-framed handgun was the SIG Pro SP2340, released in 1998. It was part of the SIG P-series and featured a DA/SA trigger system and a proprietary accessory rail.

Can the SIG Pro SP2340 be converted to fire .357 SIG?

Yes, the SIG Pro SP2340 can be converted to fire .357 SIG by using a drop-in barrel designed for the newer SP2022 model. However, SIG recommends adjusting sights for optimal point of impact.

What are the key differences between the SIG Pro SP2340 and the SP2022?

While sharing design heritage, the SP2022 is generally preferred over the SP2340 due to its standard accessory rail, which is more versatile than the SP2340's proprietary rail. Availability is also better for the SP2022.

What are the manufacturing origins of the SIG Pro SP2340?

The SIG Pro SP2340 was a collaborative effort, with its frames manufactured in Switzerland and its slides produced in Exeter, New Hampshire, USA.

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