Ruger Security-9 Model 3810 9mm Full-Size Semi-Auto Pistol, 4-Inch Barrel, 15+1 Capacity
This Ruger Security-9 Model 3810 (Mfg. Part Number 03810) is a full-size 9mm Luger semi-auto pistol built around Ruger’s Secure Action fire-control system and a protected internal hammer. This example is a 2024-manufactured gun with the serial number matching the factory box label, and it features a 4-inch barrel, a dust-cover accessory rail, and iron sights with a white-dot front and a white-outline U-notch rear.
Condition
Overall Condition: Excellent condition, showing only faint signs of any prior use or handling.
Metal Finish Condition: Excellent condition, showing only faint signs of any prior use or handling.
Wood Condition: Excellent condition, showing only faint signs of any prior use or handling.
Bore Condition: Excellent - Clean, mirror finish, no signs of wear.
Bore Rifling: Excellent Rifling - Sharp lands and grooves.
Working Condition: Appears to be in fully functional working order based on a visual inspection and basic function check.
Mechanics: The action shows no signs of mechanical issues based on a basic function check.
Specific Condition Notes: The pistol shows minimal markings consistent with light handling or use. The bore is bright and clean. Refer to pictures for additional detail.
What's Included
- Original Ruger factory box
- Owner's manual
- 2x factory Ruger Security-9 steel 15-round magazines marked "MADE IN USA" with numbered witness holes
Chambered in 9mm Luger, this full-size Security-9 is configured with a 15+1 capacity and a 4-inch barrel (marked 4 inches). Ruger’s listed 1:10 RH twist and 6-groove rifling are paired with a bright, clean bore on this example.
The pistol uses a glass-filled nylon (polymer) frame and an aluminum receiver with a hard-coat anodized finish. The slide is finished in black oxide and marked "SECURITY-9," and the grip frame is a textured polymer unit for a straightforward, secure feel.
Controls and safeties on this configuration include a manual thumb safety and a bladed trigger safety. The Ruger Secure Action fire-control system and protected internal hammer define the action style and trigger setup for this model.
Factory sighting is via iron sights, with a fixed front sight that uses a single white dot and a drift-adjustable rear sight with a white-outline U-notch. The dust cover includes an accessory rail, providing a mounting point for compatible rail-mounted equipment.