The SIG P365 .380 ACP 12-round magazine is the official extended-capacity mag for your P365 .380 micro-compact pistol. Built with a black steel body, polymer follower, and a textured extended baseplate, this mag provides two extra rounds over the standard 10-round option—along with added grip area for enhanced control.
Engineered for reliability and precision, this factory OEM magazine feeds smoothly and locks the slide back on the last round. Whether you’re running drills on the range or relying on your P365 .380 for concealed carry, this magazine delivers SIG-quality performance in a sleek, extended format.
Key Features:
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Part Number: MAG-365-380-12
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Caliber: .380 ACP
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Capacity: 12 rounds
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Construction: Steel body with polymer baseplate and follower
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Finish: Black
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Compatibility: SIG P365 chambered in .380 ACP only
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Fitment: Extended grip profile for added control
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Function: Reliable feeding and last-round slide lock
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Origin: Genuine SIG factory OEM part
Frequently Asked Questions:
Q: Will this fit my 9mm P365?
A: No, this magazine is specifically designed for the .380 ACP version of the P365 and will not function with 9mm models.
Q: Does it add grip length?
A: Yes, the baseplate extension gives a fuller grip feel, ideal for improved control and comfort.
Q: Is this an original SIG product?
A: Yes, this is a factory OEM magazine made by SIG.
Q: Can I use this in the P365 ROSE .380 ACP?
A: Yes, this magazine is fully compatible with the P365 ROSE edition in .380 ACP.
Q: Is it good for concealed carry?
A: Absolutely—the slim design is easy to conceal, and the extended capacity makes it even more effective for daily carry.
Brought to you by Black Bayou Armory.
