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Browse by Sig Sauer Sig Pro Caliber

About the Sig Sauer Sig Pro
Trusted by law enforcement agencies, civilian shooters, and military personnel across the globe, the Sig Sauer® Sig Pro is an ambidextrous and modular centerfire pistol featuring a built-in accessory rail and interchangeable grips for superior reliability and versatile field service. Operating on a short-recoil, locked-breech design, the Sig Pro boasts a SA/DA fire system, engineered to deliver unparalleled reliability and consistency in harsh tactical and personal defense applications. Available in 9mm, .40 S&W, and .357 Sig, the Sig Pro features enhanced ergonomics and ambidextrous fire controls for improved comfort and control with either hand, while the striker-fired trigger system offers a consistent pull and crisp break for enhanced accuracy and speedy follow-up shots in virtually any target or tactical shooting scenario.

What Does “SA/DA” Mean?

Single-action/Double-action pistols allow shooters to fire the pistol by either pulling the hammer back with their thumb or racking the slide before pulling the trigger (single-action), or by simply pulling the trigger and forcing the hammer to pull itself back prior to striking the firing pin (double-action). The single-action stage requires the hammer to be cocked (manually or mechanically) before firing, and offers a light, crisp pull, ensuring accurate shot placement and improved handling. A double-action pull, on the other hand, is much heavier and requires an intentional pull. With single-action/double-action pistols, the first trigger pull will be a double-action pull and much heavier. As the slide travels rearward, it will automatically cock the hammer, allowing you to fire with a light and crisp single-action pull with every shot thereafter, making the single-action/double-action system one of the most reliable and safest hammer-fired pistol designs in the world.

Why Choose the Sig Pro?
The Sig Pro is a combat-proven, highly customizable semi-auto pistol, trusted by civilian and law enforcement shooters across the globe. The Nitron-coated stainless steel slide and lightweight polymer frame easily withstand years of heavy use and abuse in harsh tactical and personal defense environments, promising consistent, dependable operation when exposed to wet, sandy, cold, and other potentially corrosive environments. Plus, the Sig Pro comes equipped with interchangeable grip panels for improved comfort and control with shooters of all shapes and sizes, making it the favored pistol design for a variety of law enforcement agencies, military personnel, and civilian shooters alike.

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