Description
The P226 X-Five Stainless is Sig Custom Works' modern take on a pistol that earned a worldwide reputation as the ultimate target gun. Built on the proven P226 platform, this single-action-only 9mm pairs a 5-inch bull barrel with a full stainless steel slide and frame, so it carries plenty of weight up front. That mass is the whole point here. It soaks up recoil and keeps the muzzle flat through fast strings, which is exactly what you want when you're chasing tight groups or running a competition stage.
The star of the show is the fully adjustable AX3 trigger. You can tune pull weight and over-travel, and the trigger shoe is removable and adjustable for length-of-pull, so you can dial the break and reset to fit your hand and your shooting style. Being a cocked-and-locked SAO design, it runs with wide ambidextrous thumb safeties that double as a solid rest for your firing thumb.
Up top you get an X-Series optic-ready slide with front and rear serrations. The adjustable Dawson-style rear sight plate lifts off to direct-mount a Romeo1Pro, Romeo2, or any optic using the standard PRO footprint. Until you mount a dot, the long 6.8-inch sight radius with a fiber-optic front and blacked-out adjustable rear gives you a crisp, fast sight picture. The frame also wears a 1913 accessory rail and an installed alloy magwell that's matched to the extended magazine base pads.
This Classic configuration ships with custom Hogue Cocobolo wood grips, which give the gun a sharp, traditional look while still locking your hand in place. It comes in a lockable case with three 20-round steel magazines and a Custom Works challenge coin.
This one is for the target shooter, the competitor, and the collector who appreciates a premium all-metal SAO pistol. It's a heavy, deliberate gun built to shoot small at distance, not a daily carry piece, and that's exactly what makes it special.
Key Specifications
- Manufacturer: SIG SAUER
- Model: P226 X-Five Stainless (Custom Works)
- Manufacturer Part Number: 226X59XTMSAO10
- UPC: 798681721580
- Caliber: 9mm Luger
- Action: Semi-Auto, Single Action Only (SAO)
- Trigger: Fully Adjustable AX3
- Barrel Length: 5" Bull Barrel
- Capacity: 20 + 1
- Magazines Included: (3) 20-Round Steel with Alloy Base Pads
- Frame/Slide: Stainless Steel
- Slide: X-Series Optic-Ready, Serrated (PRO footprint)
- Sights: Fiber Optic Front, Adjustable Rear (6.8" sight radius)
- Grips: Custom Hogue Cocobolo Wood
- Safety: Ambidextrous Manual Thumb Safety
- Overall Length: 8.6"
- Weight: Approx. 45.6 oz with magazine
Frequently Asked Questions
Is the P226 X-Five Stainless single or double action?
It's single-action only (SAO), so it runs cocked and locked like a 1911. The hammer stays back and you carry it with the ambidextrous thumb safety engaged. Every trigger pull is the same short, light, single-action break, which is a big part of why it shoots so accurately.
Can I mount a red dot on it?
Yes. The X-Series slide is optic-ready, and the adjustable Dawson-style rear sight plate comes off to direct-mount an optic. It uses the standard PRO footprint, so a Romeo1Pro, Romeo2, or any compatible dot will bolt right on.
How adjustable is the AX3 trigger?
Quite a bit. You can tune pull weight and over-travel, and the trigger shoe is removable and adjustable for length-of-pull. That lets you set where it breaks, how it resets, and how it sits under your finger, which is ideal for dialing in a target or competition setup.
What comes in the box?
It ships in a lockable case with three 20-round steel magazines that have alloy base pads, plus a Custom Works challenge coin. The pistol also comes with an alloy magwell already installed and the factory fiber-optic front and adjustable rear sights.
Why is this pistol so heavy?
The full stainless steel frame and slide push it to around 45.6 ounces, and that weight is intentional. The added mass and the 5-inch bull barrel soak up recoil and keep the muzzle flat shot after shot. For range and target work, that heft translates directly into better control and tighter groups.





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