Sig Sauer P320 X-Five Legion Pistol 9mm Luger 5″ Barrel 17-Round Polymer Gray

The Sig Sauer P320 X-Five Legion is a premier full-size 9mm pistol built for competitive shooting and demanding tactical use. Every feature on this pistol is aimed at superior accuracy, handling, and speed, from its tungsten-infused grip module to its 5 inch match-grade bull barrel. If you want a pistol that rewards a skilled shooter and flatters a developing one, the Sig Sauer P320 X-Five Legion belongs at the top of your short list.

What the Sig Sauer P320 X-Five Legion Is Built For

This is a competition-bred handgun first and foremost. The polymer grip module is tungsten-infused to add weight down low, which reduces muzzle flip and keeps the sights settled during fast strings. That extra mass is a big reason the pistol tracks so flat between shots, and it is something you feel immediately on the timer.

The X-Five Legion is aimed at shooters who run the clock: action pistol competitors, serious range enthusiasts, and anyone who values a heavy, stable, dead-accurate 9mm. Its 17-round capacity and refined ergonomics keep you in the fight and on the timer, stage after stage, without a hitch.

Features That Set the Sig Sauer P320 X-Five Legion Apart

• Tungsten-infused polymer grip module that adds weight down low and dramatically cuts muzzle flip
• 5 inch match-grade bull barrel engineered for tight, repeatable accuracy at distance
• Legion-specific skeletonized flat trigger with a smooth, crisp, competition-ready pull
• Dawson Precision fiber optic front sight for a bright, fast, high-contrast aiming reference
• 17-round magazine capacity for extended strings between reloads on the clock
• Stainless steel slide paired with advanced ergonomics for balanced, controllable handling

Specifications Woven Into the Build

The P320 X-Five Legion runs a 5 inch barrel in an 8.5 inch overall package and tips the scales around 43.5 ounces unloaded, and that weight is entirely the point. A heavy full-size pistol soaks up recoil and stays flat, letting you call shots and recover the sights quickly between targets.

The skeletonized flat trigger delivers a clean, consistent break that competitors prize, while the Dawson Precision fiber optic front sight jumps into your vision for fast target transitions. Together with the bull barrel, these features make the Legion a genuine tack driver that rewards good fundamentals.

Practical Use, Care, and Compatibility

The modular P320 design keeps the X-Five Legion easy to maintain, since the serialized fire control unit drops into the grip module and the slide comes apart without tools. Keep the barrel and rails clean and lubricated, and protect that fiber optic front sight, since the pipes can be replaced easily if you ever need to swap a color.

Read more about the maker at Sig Sauer, and when you want to compare competition pistols, browse our full firearms collection to see how the Sig Sauer P320 X-Five Legion measures up.

Built for speed and reliability, this is one of the finest striker-fired competition pistols on the market. Like every firearm, it ships to your local licensed dealer for transfer after your background check.