SIG SAUER 1911 Nightmare .357 SIG Pistol — Description

The SIG SAUER 1911 Nightmare .357 SIG is a premium full-size single-action-only (SAO) semi-automatic pistol that combines the classic 1911 platform with SIG Sauer’s distinctive Fastback Nightmare styling and modern performance upgrades. Chambered in .357 SIG, this model delivers a unique high-performance cartridge option in a traditional 1911 design, offering the familiar ergonomics, crisp trigger, and precision handling associated with the 1911 platform.

The 1911 Nightmare features a 5-inch barrel, stainless steel frame, Fastback-style rounded mainspring housing, and custom checkered G10 grips. The pistol is equipped with low-profile SIGLITE night sights, a skeletonized trigger and hammer, and traditional 1911 controls including a manual thumb safety and grip safety.

Designed for shooters seeking a distinctive 1911 with enhanced styling and performance, the SIG SAUER Nightmare combines the strength of a full-size steel-frame pistol with the flatter-profile .357 SIG cartridge. The result is a refined range and collector-oriented 1911 with SIG Sauer’s modern manufacturing features.

SIG SAUER 1911 Nightmare .357 SIG — Specifications

Manufacturer: SIG SAUER
Model: 1911 Nightmare
Caliber: .357 SIG
Action: Single-action only (SAO)
Operating System: Short recoil, locked breech
Frame Material: Stainless steel
Slide Material: Stainless steel
Finish: Black Nitron-style finish
Barrel Length: 5.0 inches
Barrel Type: Match-grade barrel
Overall Length: Approx. 8.7 inches
Overall Height: Approx. 5.5 inches
Overall Width: Approx. 1.4 inches
Weight: Approx. 41.6 oz
Magazine Capacity: 9 rounds
Magazine Type: Single-stack detachable magazine
Trigger System: Skeletonized single-action trigger
Sights: SIGLITE low-profile night sights
Grips: Custom checkered G10 grips
Safety Features:

• Manual thumb safety
• Beavertail grip safety
• Firing pin safety
  Frame Profile: Fastback-style rounded grip profile

Key Features

• .357 SIG chambering in a full-size 1911 platform
• 5-inch match-grade barrel
• Fastback Nightmare grip profile
• Black Nitron-style finish
• Stainless steel frame and slide
• SIGLITE night sights
• Custom checkered G10 grips
• Skeletonized trigger and hammer
• Single-action match trigger system
• Manual thumb safety and grip safety
• Traditional 1911 ergonomics
• Premium SIG Sauer craftsmanship and styling

Package typically includes:

• SIG SAUER 1911 Nightmare .357 SIG pistol
• 9-round magazine(s) (quantity varies by package)
• Hard case
• Cable lock
• Owner’s manual and safety documentation