What Changed? The Smith and Wesson M&P Sport 3

Published on March 22, 2025
Duration: 0:48

Elliott Delp reviews the Smith & Wesson M&P Sport 3, highlighting its updated features. The rifle sports a 16-inch 5.56mm barrel with a 1 in 8 twist rate, suitable for most bullet weights. A key evolution is the adoption of a mid-length gas system, a departure from the M&P Sport 2's carbine system, offering a balance of reliability and smoother operation. Delp describes this as a 'baby step' towards modern AR platforms.

Quick Summary

The Smith & Wesson M&P Sport 3 features a 16-inch 5.56mm barrel with a 1 in 8 twist rate, ideal for stabilizing most bullet weights. It also incorporates a mid-length gas system, an evolution from the M&P Sport 2's carbine system, representing a step towards modern AR platforms.

Chapters

  1. 00:00M&P Sport 3 Barrel Specs
  2. 00:15Gas System Evolution
  3. 00:23Mid-Length vs. Carbine Gas
  4. 00:37Modern AR Development

Frequently Asked Questions

What are the key barrel specifications for the Smith & Wesson M&P Sport 3?

The Smith & Wesson M&P Sport 3 is equipped with a 16-inch 5.56mm barrel. It features a 1 in 8 twist rate, which is a common and effective twist for stabilizing a wide variety of bullet weights commonly used in 5.56mm ammunition.

How does the gas system of the M&P Sport 3 differ from the M&P Sport 2?

A significant update in the M&P Sport 3 is its mid-length gas system. This contrasts with the M&P Sport 2, which typically utilized a carbine gas system. The mid-length system is considered an evolution towards more modern AR platform designs.

What are the advantages of a mid-length gas system over a carbine gas system?

While carbine gas systems can offer more gas, potentially aiding function in dirtier conditions, the mid-length system is a well-established and proven design. It often provides a smoother shooting experience and is a common feature in more modern AR-style rifles.

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