The SIG SAUER P220 LEGION 45ACP establishes a benchmark for full-size, single-action-only pistol performance. As a member of the LEGION series, this P220 variant integrates enhanced features designed to optimize operator interface and maintain the terminal ballistics integrity of the .45 ACP cartridge. It is a purpose-built platform for discerning individuals requiring absolute reliability and precision in both duty and competitive environments.
Key Features
Precision Engineering
The P220 LEGION SAO is distinguished by its single-action-only (SAO) trigger system, meticulously engineered to provide a consistent, crisp break with minimal overtravel and a positive reset. This configuration facilitates rapid and accurate follow-up shots. The slide is precision-machined for an optics-ready configuration, allowing direct integration of preferred red dot sights for enhanced targeting and acquisition speed.
Enhanced Ergonomics and Control
Ergonomic enhancements are central to the LEGION series. The P220 LEGION features custom G10 grips with aggressive texturing, ensuring a secure and positive purchase under all conditions. An extended beavertail mitigates recoil-induced muzzle flip and prevents hammer bite, while an undercut trigger guard allows for a higher grip, optimizing bore axis alignment for improved control. Front strap checkering and an optimized magwell further enhance handling and facilitate expedient reloads.
Duty-Grade Construction and Finish
Constructed with a robust alloy frame and a stainless steel slide, both components receive SIG SAUER’s proprietary Legion Gray PVD finish. This coating provides superior resistance to wear, corrosion, and chemical exposure, ensuring durability in demanding operational conditions. The integrated SIG accessory rail allows for the secure mounting of tactical lights or lasers, expanding the pistol’s utility.
Integrated Sighting System
Equipped with SIG SAUER’s proprietary X-RAY3 Day/Night Sights, the P220 LEGION provides high-visibility targeting in all lighting conditions. The tritium inserts offer illumination in low light, while the high-contrast green front sight allows for rapid sight picture acquisition during daylight engagements.
Technical Specifications
General
- **Caliber:** .45 ACP
- **Capacity:** 8 + 1 Rounds
- **Trigger System:** Single Action Only (SAO)
- **Sight System:** X-RAY3 Day/Night Sights, Optics Ready Slide
Dimensions & Weight
- **Overall Length:** 7.7 inches (196 mm)
- **Overall Width:** 1.5 inches (38 mm)
- **Overall Height:** 5.5 inches (140 mm)
- **Barrel Length:** 4.4 inches (112 mm)
- **Sight Radius:** 6.3 inches (160 mm)
- **Weight (w/magazine):** 30.4 oz (862 g)
Materials & Finish
- **Frame Material:** Alloy
- **Slide Material:** Stainless Steel
- **Frame Finish:** Legion Gray PVD
- **Slide Finish:** Legion Gray PVD
- **Grips:** Custom G10 Grips
- **Accessory Rail:** Integrated SIG Rail









