The EAA Corp Girsan Witness 2311 Negotiator is a single-action 9mm pistol with a 4.25-inch barrel, steel frame with alloy accents, and a black/titanium nitrate finish. Capacity is 17+1 rounds; one magazine is included. 
 

Key Specifications 

• Model: Witness 2311 Negotiator 
• Manufacturer: EAA Corp 
• Type: Semi-Auto Pistol 
• Action: Single Action 
• Caliber: 9mm Luger (9x19 Para) 
• Barrel Length: 4.25 inches 
• Overall Length: 8 inches 
• Capacity: 17+1 rounds 
• Weight: 1.6 lbs 
• Frame Material: Steel with alloy accents 
• Finish Color: Black / Titanium Nitrate 
• Sights: Fiber optic front, fixed contrast rear 
   

Features 

The 2311 platform is a double-stack variant of the 1911 design, giving the familiar single-action trigger and manual safety in a higher-capacity format. The optics-ready slide uses a Shield RMS/RMSc footprint for direct red dot mounting. The extended beavertail grip safety is standard. Lightening cuts in the slide reduce weight and change slide reciprocation characteristics slightly. Ambidextrous safety levers work equally well from either hand. The fiber optic front sight with fixed rear contrast sights gives a clear sight picture in varied lighting. 
 

Usage 

The 2311 Negotiator suits shooters who want the single-action trigger feel and manual safety of the 1911/2011 platform with 17+1 capacity in 9mm. The optics-ready slide makes it competitive-shooting-ready without requiring machining. At 1.6 lbs it's lighter than most all-steel 2011 builds, though still heavier than polymer alternatives.

The EAA Girsan Witness 2311 Negotiator attracts shooters interested in the 2011 platform at a price that's more accessible than dedicated custom or semi-custom 2011s. Feedback within that context is generally positive.

Build quality gets good marks, and the black/titanium finish is frequently described as sharp-looking. Reliability reports are mostly positive — feeding and ejection function well during range sessions. The single-action trigger is often cited as a highlight, which is the main reason many buyers choose the platform over polymer striker-fired alternatives.

The optics-ready slide with Shield RMS/RMSc footprint is valued by competitive shooters who want to mount a dot without gunsmithing. Ambidextrous safety is noted as well-executed.

Critiques tend to center on a break-in period some owners experience before the pistol runs completely smoothly. Magazine compatibility with other 2011 mags gets discussed — some work, some need fitting. Holster availability is narrower than Glock/SIG options, as with most 2011-pattern pistols. Comparisons to other budget-tier 2011s and to the price differential versus full custom builds come up often; most buyers consider the value proposition reasonable for what they're getting.