The SIG Sauer P365 NITRON is a micro-compact 9mm designed for everyday carry. It delivers high capacity in a remarkably small, reliable package. Since arriving on our shelves in fall 2025, this model has seen a low return rate—customers consistently get the dependable performance they expect from the P365 platform.
Key Features
- NITRON Finish: SIG’s proprietary corrosion-resistant coating. Our staff notes it’s tougher than it looks, holding up perfectly through multiple cleaning cycles with Hoppes No. 9.
- Micro-Compact Frame: Engineered for deep concealment without sacrificing a full firing grip.
- 10+1 Capacity: Standard flush-fit magazine offers a significant round count advantage for its size.
- SIGLITE Night Sights: Tritium front sight and contrasting rear sights for rapid target acquisition in all lighting conditions.
- Smooth Trigger: Features a clean, consistent pull for enhanced control in a compact firearm.
Specifications
| Caliber | 9mm |
| Barrel Length | 3.1″ |
| Overall Length | 5.8″ |
| Height | 4.3″ |
| Width | 1.0″ |
| Sights | SIGLITE Night Sights |
| Weight (measured) | 2.2 oz |
| Magazine Capacity | 10+1 |
Frequently Asked Questions
Is this the standard P365 model?
Yes. This is the original P365 with the NITRON slide finish and SIGLITE night sights. It does not include an optics cut or manual safety unless specified in the product title.
What magazines are compatible?
This model ships with one 10-round flush-fit magazine. It is compatible with all SIG Sauer P365 series magazines, including 12-round and 15-round extended magazines.
Is the trigger metal or polymer?
The P365 NITRON features a smooth, single-action trigger with a stainless steel insert and a polymer trigger shoe.
✅ Same-day shipping from Rockford, IL
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✅ 30-day returns
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