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EAA Girsan Witness 2311 CMXX 9mm 4.25″ Compensated 17rd Black

UPC: 741566908293

$1,059.00

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Description

The 2011-style pistol market has exploded in recent years, and the Girsan Witness 2311 CMXX is one of the most feature-packed entries in it. Manufactured by Girsan in Turkey and imported by European American Armory, this is a compact, compensated, double-stack 1911-platform pistol chambered in 9mm with a 17+1 capacity and a feature list that reads like it belongs on something costing twice as much.

The heart of the CMXX is its 4.25" bull barrel with a built-in integral compensator. The comp is one piece with the barrel, not an add-on, and it does real work: reviewers consistently note how flat and controllable the gun shoots, with the single-port compensator keeping muzzle rise in check during fast strings of fire. Paired with a factory-tuned single-action trigger at a max of 4.5 lbs, the whole package is set up to run quick and stay on target.

Girsan made some deliberate departures from the traditional 1911 formula here. The grip safety is gone entirely, replaced by an automatic firing pin block safety that prevents the firing pin from moving unless the trigger is pulled. What you do get is an ambidextrous thumb safety, which makes the gun friendly for both hands. The polymer grip module features aggressive 360-degree texturing to lock the pistol in your hand under recoil, and the extended beavertail sits at a lower angle to keep your hand comfortable during longer sessions. The full-length Picatinny rail under the dust cover gives you plenty of room to mount a weapon light right where you want it.

The slide is where the modern capability really shows up. Lightening cuts keep the reciprocating mass in check, front and rear serrations make press checks and manipulations easy, and the optics-ready cut uses the RMSc footprint so you can drop on a compact red dot without any machining. Iron sights are a fiber optic front paired with removable 3-dot rears. The whole gun wears a black Cerakote finish for durability and corrosion resistance. It ships with one 17-round magazine, and those standard double-stack 2011 mags are compatible with a wide range of aftermarket options on the market today.

Key Specifications

  • Manufacturer: Girsan / European American Armory (EAA)
  • Model: Witness 2311 CMXX
  • MPN: 395065
  • UPC: 741566908293
  • Caliber: 9mm Luger
  • Action: Single Action Only (SAO) Semi-Auto
  • Barrel Length: 4.25"
  • Barrel Type: Bull Barrel with Integral Compensator
  • Capacity: 17+1
  • Trigger Pull: 4.5 lbs (tuned, factory)
  • Finish: Cerakote Black
  • Safety: Ambidextrous Thumb Safety, Auto Firing Pin Block
  • Sights: Fiber Optic Front, Removable 3-Dot Rear
  • Optic Footprint: RMSc (Optic Ready)
  • Rail: Full-Length Picatinny
  • Weight: 26.4 oz

What’s Included

  • Girsan Witness 2311 CMXX pistol
  • 1x 17-round magazine
  • Owner's manual
  • Cleaning brush
  • Allen wrench (for rear sight / optic mounting)

Frequently Asked Questions

Does the Girsan Witness 2311 CMXX have a grip safety?

No, Girsan removed the traditional 1911 grip safety on the CMXX. In its place, the pistol uses an automatic firing pin block that prevents the firing pin from traveling unless the trigger is pulled. This decision also results in a slimmer, more streamlined grip profile, and it eliminates any risk of a grip safety causing a failure to fire due to hand position.

What optics fit the Witness 2311 CMXX slide?

The CMXX slide is cut for the RMSc footprint, which is one of the most common micro red dot mounting patterns on the market. Optics like the Vortex Defender CCW, Holosun 407K/507K, and others using that footprint will mount directly without any additional milling. When mounting a dot, be careful with the firing pin block spring located under the rear sight.

What magazines work with the Witness 2311 CMXX?

The CMXX ships with one 17-round standard double-stack 2011-compatible magazine. It is also compatible with many aftermarket 2011 magazines on the market, including 20-round options from brands like Staccato. Using standard factory-pressure ammunition is recommended for reliable function.

How does the integral compensator affect everyday carry?

The built-in comp adds some length to the muzzle end of the pistol, which is worth considering when choosing a holster. On the range, the compensator makes a noticeable difference in muzzle rise during fast splits. For those who want the same gun in a non-compensated version, Girsan also offers the CMX, which shares nearly all the same features without the comp.

Is the Witness 2311 CMXX compatible with standard 1911 parts?

Many 1911 slides, barrels, and internal parts are compatible with the CMXX platform, which makes it a solid option for anyone who enjoys customizing. The grip module is also said to swap with most aftermarket 2011 grips. That said, as with any 1911-style pistol, it is always worth verifying fit before installing aftermarket components.

How does the CMXX compare to higher-end 2011 pistols like Staccato?

The CMXX draws obvious visual and functional comparisons to top-shelf 2011 pistols, offering a compensated bull barrel, lightening-cut optics-ready slide, full Picatinny rail, and tuned SAO trigger at a fraction of the cost. Reviewers who have shot both note that the CMXX feels well-built and runs factory ammo reliably, with the main differences showing up in fit tolerances and small fit-and-finish details rather than overall shootability.

Additional information

UPC

741566908293

Manufacturer

Manufacturer Part Number

395065

Action

Barrel Length

4.25"

Caliber/Gauge

9mm

Capacity

17 + 1

Color

Black

Model

Product Type

Single Action Only

Safety

Ambidextrous Thumb

Shipping Weight

3.4

Sights

Fiber Optic Front Sight

Slide Description

Lightening Cut/Optic Ready/Serrated

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