Description
At 49.8 ounces this is one of the heaviest production striker fired pistols anyone sells, and that is entirely the point. The Sig Sauer P320 XFive SXG 9mm replaces the polymer grip module of a standard XFive with a machined stainless steel one, which puts more than three pounds of gun in the hand. Recoil essentially stops being a factor, and the dot or the front sight stays where you left it.
Three Pounds Of Stainless Steel
The stainless steel grip module is the whole design. A standard XFive weighs around 33 ounces; this one carries 49.8 ounces with a magazine, and almost all of that difference sits in the hand rather than out at the muzzle. In practical terms the muzzle barely lifts, split times drop and the gun feels planted in a way polymer framed pistols simply cannot match.
A 5 inch bull barrel adds mass at the front and removes the bushing, and Sig ships three recoil springs with the pistol: a 12 pound spring installed plus 14 and 16 pound springs in the box. That lets you tune the cycle to the ammunition you actually shoot, which is the sort of thing competitors care about and most manufacturers ignore.
The full length single slot accessory rail runs the length of the dust cover, and the frame carries a backstrap for fitting. Overall the gun measures 8.5 inches long, 5.8 inches tall and 1.6 inches wide, which is competition proportioned rather than duty proportioned.
Sights, Optics And Grips
Sights are a fiber optic front sight against an adjustable rear sight plate. Adjustable rather than drift only matters on a competition gun, because you can zero precisely for a specific load and return to it. The slide is cut to the Sig PRO optic footprint, which covers the ROMEO series and the larger competition dots that shooters actually run on a gun this size.
Grips are LOK G10 grip panels in black, fitted from the factory. LOK is an aftermarket house whose panels people normally buy separately, and having them standard on the SXG saves both money and the fitting. G10 holds texture indefinitely and is unaffected by solvent or sweat.
Three 21 round steel magazines ship with the pistol. On a gun aimed at USPSA and steel shooters that is a realistic match loadout rather than a token, and steel bodies stand up to being dropped on concrete in a way polymer does not.
Sig Sauer P320 XFive SXG 9mm Specifications
- Caliber: 9mm Luger
- Capacity: 21 rounds, three 21 round steel magazines included
- Barrel: 5 inch carbon steel bull barrel, non threaded
- Overall length: 8.5 inches
- Height: 5.8 inches
- Width: 1.6 inches
- Weight: 49.8 ounces with magazine
- Frame: stainless steel
- Grip module: SXG stainless steel with LOK black G10 panels
- Slide: stainless steel, bead blasted
- Front sight: fiber optic
- Rear sight: adjustable rear sight plate
- Optic cut: Sig PRO footprint
- Trigger: flat faced, striker fired
- Manual safety: none
- Recoil springs: 12 pound installed, 14 and 16 pound included
- Accessory rail: single slot full length
Sig lists a ten round configuration of this pistol for capacity restricted states under a separate part number. The polymer framed P320 XFive Legion is the lighter and less expensive alternative if fifty ounces is more gun than you want to carry through a match.
Why Buyers Choose The Sig Sauer P320 XFive SXG 9mm
The weight does something no aftermarket part can replicate. Adding mass low in the hand is the single most effective way to reduce muzzle rise, and a machined stainless grip module does it better than tungsten inserts or a heavy guide rod ever will. The Sig Sauer P320 XFive SXG 9mm is genuinely easier to shoot fast than almost anything in its class.
The details are competition details rather than marketing ones. An adjustable rear sight, three recoil springs, a bull barrel, LOK panels and three steel magazines are all things a serious shooter would otherwise buy separately.
And the P320 fire control unit underneath means the trigger, the parts support and the aftermarket are all enormous. Very little about this gun is a dead end if you later want to change something.
Who Should Buy The Sig Sauer P320 XFive SXG 9mm
This is a competition pistol first: USPSA, steel challenge and any discipline where a heavy gun pays. It suits high volume range shooters who value how little it moves, and anyone who already runs the P320 platform and wants the serious version. At 49.8 ounces the Sig Sauer P320 XFive SXG 9mm is completely unsuited to concealed carry, so look at the P365 family for that role.
Full manufacturer specifications for the Sig Sauer P320 XFive SXG 9mm are published by Sig Sauer on the official product page. Browse more Sig Sauer pistols and competition guns in our handguns category.
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