Description
The P365 changed the everyday carry world when it launched, and this .380 ACP version opens that platform up to a whole new group of people. SIG built the P365-380 on the exact same grip module and fire control unit as the 9mm original, then paired it with a lighter slide, a lighter recoil spring, and the softer-shooting .380 cartridge. The result is a micro-compact that racks with far less effort and shoots with noticeably less snap, which makes a real difference for anyone with smaller hands, reduced grip strength, or a general preference for a gun that does not beat them up at the range.
What the P365-380 Brings to the Table
The 3.1 inch barrel wears a durable DLC coating, and the stainless steel slide gets SIG's Nitron finish, so this pistol is built to hold up to daily carry and regular practice. SIGLITE night sights come standard and sit in dovetails, and the slide is milled for a micro red dot like the ROMEOZero Elite, so you can run irons, a dot, or both. This model also includes an ambidextrous manual thumb safety for folks who want that extra layer of control in their carry routine. At 15.7 ounces with an overall length of 5.8 inches, it disappears in a holster the same way the 9mm version does.
Why the P365 380 Makes Sense for Carry
Because it shares its frame and internals with the standard P365, this pistol works with the huge ecosystem of existing P365 holsters and accessories, including flat triggers, FOXTROT lights, and XSeries grip modules. You get two 10-round magazines in the box for an 11-round total on board, plenty of aftermarket support, and the proven track record of America's most popular micro-compact, all in a package that is simply easier to run. For a first carry gun or a lighter-recoiling companion to a 9mm, this one is tough to argue with.
Key Specifications
- UPC: 798681671359
- Manufacturer Part Number: 365-380-BSS-MS-MA
- Model: P365-380
- Caliber: .380 ACP
- Action: Striker Fired
- Capacity: 10+1
- Barrel Length: 3.1"
- Overall Length: 5.8"
- Height: 4.2"
- Width: 1.1"
- Weight: 15.7 oz
- Sights: SIGLITE Night Sights
- Sight Radius: 4.9"
- Slide: Nitron-Finished Stainless Steel, Optic Ready
- Safety: Ambidextrous Manual Thumb Safety
- Grip Module: Black Polymer
What’s Included
- SIG Sauer P365-380 pistol
- Two 10-round steel magazines
- Owner's manual
- Factory box
Frequently Asked Questions
Is the P365-380 easier to shoot than the 9mm P365?
Yes, and that is the main draw of this model. The .380 ACP cartridge produces less recoil, and SIG paired it with a lighter slide and recoil spring, so the slide is much easier to rack. It is a great fit for anyone with smaller hands or less grip strength, or those who find 9mm micro-compacts snappy.
Will my existing P365 holsters and accessories fit the P365-380?
They will. The P365-380 uses the same grip module and fire control unit as the standard 9mm P365, so it fits existing P365 holsters. It also accepts common P365 upgrades like flat triggers, XSeries grip modules, and FOXTROT weapon lights.
Can I mount a red dot on the SIG P365-380?
Yes, the slide is milled for micro red dots and accepts the SIG ROMEOZero Elite or other optics sharing that footprint. The front and rear sights are dovetail mounted and separate from the optic plate, so you can set up co-witnessing irons alongside a dot if you want.
What magazines come with this P365-380, and can I get more capacity?
This model ships with two 10-round steel magazines, giving you 10+1 on board. SIG also makes 12-round extended magazines for the P365-380 if you want extra capacity for range days. Note that P365 9mm magazines are not interchangeable with the .380 version.





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