Sig M17 vs M18 9mm Pistols

Published on December 3, 2020
Duration: 2:50

This video provides an expert comparison of the Sig Sauer P320 M17 and M18 pistols, detailing their differences in size, weight, and intended use. The presenter, Nate from Alien Gear Holsters, highlights the modularity of the P320 platform, its compatibility with various calibers, and features like optic-ready slides. The discussion also touches upon magazine capacity and demonstrates holster compatibility, offering valuable insights for those considering these military-issued sidearms.

Quick Summary

The Sig Sauer M17 is a full-sized duty pistol with a 4.7-inch barrel, while the M18 is a compact variant for concealed carry, featuring a 3.9-inch barrel. Both are 9mm, optic-ready, modular P320 pistols that accept 17 or 21-round magazines and are equipped with M1913 accessory rails.

Chapters

  1. 00:00Introduction: M17 vs M18
  2. 00:22Size & Capacity Differences
  3. 01:02P320 Modularity & Calibers
  4. 01:23Physical Dimensions & Weight
  5. 01:55Features & Holster Options

Frequently Asked Questions

What are the main differences between the Sig M17 and M18 pistols?

The Sig M17 is a full-sized duty pistol with a 4.7-inch barrel, while the M18 is a more compact version designed for concealed carry, featuring a 3.9-inch barrel. Both are 9mm, optic-ready, and utilize the modular P320 chassis.

Can the Sig M17 and M18 be used with different calibers?

Yes, the P320 chassis, which both the M17 and M18 use, is modular. The Fire Control Unit (FCU) can be transferred to different grip modules and slide assemblies to accommodate calibers such as 9mm, .40 S&W, .357 SIG, and .45 ACP.

What are the magazine capacities for the Sig M17 and M18?

Both the Sig Sauer M17 and M18 pistols come standard with 17-round magazines. They are also compatible with extended 21-round magazines, offering increased ammunition capacity for duty or defensive scenarios.

Are the Sig M17 and M18 compatible with red dot sights?

Yes, both the M17 and M18 models feature optic-cut slides, making them ready to accept popular red dot sights, such as the Sig Sauer Romeo Series. They also include M1913 accessory rails for lights or lasers.

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