SIG Sauer P239 DAO 9mm Compact Pistol – Nitron Slide, Alloy Frame, 3.6-Inch Barrel
The discontinued SIG Sauer P239 DAO offers a slim, single-stack profile, a true double-action-only trigger, and a Nitron-finished stainless slide paired with a hard-anodized aluminum frame. Its compact size, 8-round magazine, and tritium night sights make it a practical choice for concealed carry while also appealing to collectors looking for the less common DAO variant.
Condition
Overall Condition: Good condition, showing some signs of prior use and handling.
Bore Condition: Good – Clean, well-maintained, minor wear marks.
Bore Rifling: Good Rifling – Intact, well-defined lands and grooves.
Specific Condition Notes: Light edge wear is visible on the slide and frame, and minor finish thinning appears on high-contact areas, consistent with routine carry and handling.
What’s Included
- SIG Sauer P239 DAO 9mm pistol
- Three 8-round steel single-stack magazines
The DAO trigger system offers a consistent pull for every shot without a decocking lever, differentiating it from the more common DA/SA and DAK P239 versions. This variant is increasingly sought after because production ended in 2018 and DAO models were produced in smaller numbers.
A Nitron-finished stainless slide provides corrosion resistance and carries rear cocking serrations for solid purchase. The matching hard-anodized aluminum frame keeps weight down while maintaining durability.
Tritium 3-dot sights, with the rear unit marked “AF MH3,” deliver low-light usability straight from the factory. The pistol also incorporates SIG’s automatic firing-pin lock, trigger-bar disconnect, and hammer safety intercept notch for added peace of mind.
The 3.6-inch stainless barrel, clean bore, and intact rifling support reliable accuracy. Combined with the single-stack 8-round magazine, the P239 maintains a slim grip profile ideal for concealed carry or discreet duty use.