S&W M&P 2.0 - Slide Stop Redesign

Published on January 15, 2017
Duration: 9:41

This entry details a specific design change in the Smith & Wesson M&P 2.0's slide stop mechanism, contrasting it with the original M&P. Expert analysis highlights the M&P 2.0's friction-catch slide stop, which lacks the spring-loaded tension of the older model. This difference necessitates a specific reassembly technique to avoid damage, as the slide stop can impede slide movement if raised.

Quick Summary

The Smith & Wesson M&P 2.0 features a redesigned slide stop that functions as a friction catch, lacking the spring-loaded tension of the original M&P. This change, including an integrated forward-facing detent bar, is theorized to prevent 'auto-forwarding.' Users must manually depress the slide stop during reassembly if it obstructs the slide, avoiding forced reassembly.

Chapters

  1. 00:00Introduction to M&P 2.0 Slide Stop
  2. 00:59External Design Comparison
  3. 02:11Catch and Notch Geometry
  4. 03:37Internal Mechanical Differences
  5. 05:23Reassembly Warning
  6. 07:51Conclusion and Summary

Frequently Asked Questions

What is the main design change in the Smith & Wesson M&P 2.0's slide stop?

The M&P 2.0 features a redesigned slide stop that functions as a friction catch, lacking the spring-loaded tension found in the original M&P. This change includes an integrated forward-facing detent bar and modified catch/notch geometry.

How does the M&P 2.0's slide stop affect reassembly?

Due to its friction-catch nature, the M&P 2.0's slide stop can interfere with reassembly if it is raised. Users are cautioned not to force the slide but to manually push the slide stop down to allow reassembly.

What is 'auto-forwarding' in relation to the M&P 2.0 slide stop?

'Auto-forwarding' is when a pistol's slide closes automatically upon magazine insertion. The M&P 2.0's slide stop redesign is theorized to prevent this phenomenon, a common quirk in some earlier pistol designs.

What are the internal mechanical differences between the M&P and M&P 2.0 slide stops?

The original M&P slide stop is spring-loaded to stay down (fail-closed). The M&P 2.0's slide stop lacks this spring tension and relies on friction to stay in place, whether up or down.

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