The Ruger Security-380 Model 3839 expands the capabilities of the compact defensive pistol by combining the soft-shooting .380 ACP cartridge with an impressive 15+1 capacity and the user-friendly Lite Rack system. With its 3.42-inch barrel, black oxide alloy steel slide, and black glass-filled nylon frame, this pistol is designed to deliver reliability, accuracy, and carry comfort.
The Lite Rack design features lightened recoil springs and easy-grip slide serrations to make racking the slide nearly effortless, ideal for new shooters, seniors, or anyone seeking a hassle-free experience. Paired with Ruger’s proven Secure Action™ fire-control system, it delivers a short, clean trigger pull with a crisp reset.
Equipped with a fiber optic front sight and a drift-adjustable rear, this pistol offers fast target acquisition in any lighting. The manual thumb safety, trigger safety, and loaded chamber inspection port provide peace of mind during carry.
Key Features:
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Part Number: 3839
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Caliber: .380 ACP
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Capacity: 15+1 rounds
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Barrel Length: 3.42 inches
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Barrel Material: Alloy steel
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Barrel Finish: Black oxide
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Slide Material: Through-hardened alloy steel
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Slide Finish: Black oxide
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Frame: High-performance glass-filled nylon, black
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Sights: Fiber optic front, drift-adjustable rear
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Action: Semi-automatic, internal hammer
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Safety: Manual thumb safety, trigger safety
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Fire Control: Secure Action™
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Slide System: Lite Rack™
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Accessory Rail: Picatinny-style
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Included Accessories: Two 15-round magazines
Manufacturer Specifications:
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Overall Length: 6.52 inches
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Height: 5 inches
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Width: 1.02 inches
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Weight: 19.7 oz
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Twist Rate: 1:10″ RH
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Grooves: 6
Frequently Asked Questions:
Q: What makes this model easier to operate than other .380s?
A: The Lite Rack system uses lightened recoil springs and slide geometry to make cycling the slide extremely easy, perfect for all skill levels.
Q: Does it come with 15-round magazines?
A: Yes, this version includes two 15-round steel magazines.
Q: Is it optics-ready?
A: No, the Security-380 3839 is not optics-ready but comes with excellent factory fiber optic sights.
Q: Is this a genuine Ruger firearm?
A: Yes, this is a factory OEM Ruger pistol, part number 3839.
Brought to you by Black Bayou Armory.





