SIG SAUER 1911 Nitron Ultra Compact — Description

The SIG SAUER 1911 Nitron Ultra Compact is a compact .45 ACP single-action-only (SAO) semi-automatic pistol that combines the classic 1911 design with a smaller Officer-size configuration for enhanced portability. Built for shooters who appreciate traditional 1911 ergonomics in a more compact package, the Ultra Compact features a 3.3-inch barrel, lightweight alloy frame, and SIG Sauer’s durable Nitron-finished slide.

The Ultra Compact maintains the hallmark features of the 1911 platform, including a crisp single-action trigger, manual thumb safety, grip safety, and low-profile SIGLITE night sights. The reduced slide and barrel length provide easier handling and carry convenience while retaining the familiar controls and accuracy characteristics of the full-size 1911 family.

The pistol features a black Nitron-coated stainless steel slide, aluminum alloy frame, and custom blackwood grips for a balance of durability, weight reduction, and classic styling. Chambered in .45 ACP, the SIG 1911 Nitron Ultra Compact offers an 8-round magazine capacity in a compact 1911 configuration.

SIG SAUER 1911 Nitron Ultra Compact — Specifications

Manufacturer: SIG SAUER
Model: 1911 Nitron Ultra Compact
Caliber: .45 ACP
Action: Single-action only (SAO)
Operating System: Short recoil, locked breech
Frame Material: Aluminum alloy
Slide Material: Stainless steel
Slide Finish: Nitron black finish
Barrel Length: 3.3 inches
Barrel Type: Match-grade barrel
Overall Length: Approx. 6.8 inches
Overall Height: Approx. 5.0 inches
Overall Width: Approx. 1.4 inches
Weight: Approx. 28 oz unloaded
Magazine Capacity: 8 rounds
Magazine Type: Single-stack detachable magazine
Trigger System: Single-action match trigger
Sights: SIGLITE night sights
Grips: Custom blackwood grips
Safety Features:

• Manual thumb safety
• Beavertail grip safety
• Firing pin safety

Key Features

• Compact Officer-size 1911 design
• .45 ACP chambering
• 3.3-inch barrel for reduced overall size
• Nitron-coated stainless steel slide
• Lightweight aluminum alloy frame
• SIGLITE night sights
• Crisp single-action trigger
• Manual thumb safety and grip safety
• Custom blackwood grips
• 8-round magazine capacity
• Classic 1911 controls in a compact package
• Designed for shooters seeking a smaller 1911 platform

Package typically includes:

• SIG SAUER 1911 Nitron Ultra Compact pistol
• 8-round magazine(s) (package configuration may vary)
• Hard case
• Cable lock
• Owner’s manual and safety documentation