.357 Sig vs .40 S&W

Published on March 26, 2024
Duration: 0:13

This video provides an in-depth comparison between .40 S&W and .357 Sig cartridges, specifically focusing on Civil Liberty Defense ammunition. The presenter highlights the physical differences, such as the bottleneck design of the .357 Sig, and showcases various firearms that could chamber these calibers.

Quick Summary

SPN Firearms compares .357 Sig and .40 S&W cartridges, highlighting Civil Liberty Defense ammunition with lead-free fragmenting hollow points and nickel-plated casings. Key visual differences include the .357 Sig's bottleneck design versus the .40 S&W's straight wall, with firearms like Glocks and M&P Shields shown.

Chapters

  1. 00:00Ammunition Comparison: .40 S&W vs .357 Sig
  2. 00:01Firearm Showcase: Glock & S&W
  3. 00:05Cartridge Geometry: Bottleneck Design

Frequently Asked Questions

What are the key visual differences between .357 Sig and .40 S&W cartridges?

The primary visual distinction is the .357 Sig's bottlenecked case design, which tapers from the mouth to the base. In contrast, the .40 S&W typically features a straight-walled case. Both can be found with nickel-plated casings.

What type of ammunition does Civil Liberty Defense offer, as shown in the video?

Civil Liberty Defense offers ammunition featuring lead-free fragmenting hollow point projectiles. These are designed to break apart upon impact, and the casings are often nickel-plated for durability and smoother feeding.

What firearms are shown that are relevant to .40 S&W and .357 Sig calibers?

The video displays several handguns relevant to these calibers, including a Glock 27 (typically .40 S&W), a Glock 33 (typically .357 Sig), and a Smith & Wesson M&P Shield, which is available in various calibers including .40 S&W.

Why is the bottleneck design of the .357 Sig cartridge significant?

The bottleneck design of the .357 Sig allows for a potentially higher powder capacity within a given case length and can influence feeding dynamics in firearms. It's a key geometrical difference compared to the straight-walled .40 S&W.

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