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Browse by Ruger P91 Caliber

About the Ruger P91

A favorite among off-duty law enforcement personnel and civilian shooters across the country, the Ruger® P91 is a single-stack, 10+1 semi-auto pistol, designed to deliver reliable stopping power in a lightweight package. Rugged, reliable, and strong, the Ruger P91 boasts a cast aluminum alloy frame making it the perfect choice for everyday carry or dropping targets at the range. Featuring a black polycarbonate grip, this SA/DA pistol is engineered for superior ergonomics for a positive grip and quick follow-up shots when it matters most. Further, the fixed 3-dot sights offer quick and intuitive target acquisition so you can quickly get on target in virtually any environment.

What Does “SA/DA” Mean and Why Does It Matter?

“SA/DA” is the industry-standard abbreviation for single-action/double-action. 

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).

In simple terms, Single-action means pulling the trigger does one action: releasing the hammer on the firing pin; and the double-action system does two actions:  pulls the hammer back and releases the hammer on the firing pin. 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 Ruger P91?

Even though the P91 was only produced from 1992 to 1994, this pistol was engineered for long-lasting field use and unmatched reliability. The lightweight aluminum alloy frame, fixed 3-dot sight, and 10+1 capacity make this SA/DA pistol perfect for concealed-carry or dropping targets at the range. At GunMag Warehouse, we offer a huge selection of P-Series magazines at affordable, everyday prices. Shop our full collection and stock up on Ruger pistol mags today!