SIG SAUER 1911 Nitron California Compliant – .45 ACP, Full-Size, 5″ Barrel, Nitron Finish, SIGLITE Night Sights, 8-Round
The SIG SAUER 1911 Nitron California Compliant is a premium full-size 1911 semi-automatic pistol chambered in .45 ACP, combining classic 1911 design with SIG SAUER’s modern manufacturing and performance enhancements. Designed to meet California-compliant requirements, this model delivers traditional 1911 ergonomics, a crisp single-action trigger, and SIG SAUER reliability in a refined duty and range configuration.
Featuring a 5-inch barrel, stainless steel slide with durable Nitron finish, and a stainless steel frame, the 1911 Nitron offers excellent durability and corrosion resistance. The pistol includes SIGLITE night sights, blackwood grips with SIG medallions, front and rear slide serrations, and an accessory rail for compatible lights or accessories.
The full-size 1911 platform provides a smooth shooting experience with a match-grade barrel, skeletonized hammer, extended ambidextrous safety, and beavertail grip safety. The California-compliant configuration includes 8-round magazines and is designed for shooters who want a traditional .45 ACP 1911 with modern SIG SAUER features.
Specifications
| Feature | Specification |
|---|---|
| Manufacturer | SIG SAUER |
| Model | 1911 Nitron California Compliant |
| Caliber | .45 ACP |
| Action | Semi-Automatic |
| Trigger System | Single-Action Only (SAO) |
| Barrel Length | 5 inches |
| Barrel Type | Match Grade Barrel |
| Slide Material | Stainless Steel |
| Slide Finish | Nitron |
| Frame Material | Stainless Steel |
| Frame Finish | Nitron / Stainless Finish |
| Capacity | 8+1 Rounds |
| Magazine Capacity | 8 Rounds |
| Magazines Included | Two 8-Round Magazines |
| Sights | SIGLITE Night Sights |
| Safety | Ambidextrous Thumb Safety, Beavertail Grip Safety |
| Trigger | Skeletonized Match Trigger |
| Hammer | Skeletonized Hammer |
| Grip | Blackwood Grips with SIG Medallion |
| Accessory Rail | Integrated Picatinny Rail |
| Overall Length | Approx. 8.7 inches |
| Overall Height | Approx. 5.5 inches |
| Overall Width | Approx. 1.4 inches |
| Weight | Approx. 41 oz |
Key Features
- Chambered in .45 ACP
- Full-size 5-inch 1911 platform
- Durable Nitron stainless steel finish
- SIGLITE night sights
- Match-grade barrel
- Crisp SAO trigger system
- Ambidextrous thumb safety
- Beavertail grip safety
- Skeletonized hammer and trigger
- Blackwood SIG medallion grips
- Integrated accessory rail
- California-compliant configuration
- Two 8-round magazines included
The SIG SAUER 1911 Nitron California Compliant .45 ACP combines the timeless 1911 shooting experience with SIG SAUER refinements, offering a durable, accurate, and feature-rich full-size pistol for enthusiasts who prefer classic single-action performance with modern upgrades.



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