Description
The EAA Girsan Witness 2311 CMXX takes the double-stack 1911 layout, often called the 2011, and tunes it for everyday carry and range work. Chambered in .45 ACP with an 11+1 capacity, it pairs a 4.25" bull barrel with an integral, one-piece compensator that noticeably cuts muzzle rise and keeps you on target faster between shots. If you've shot a comped pistol indoors, expect a bit more concussion and bark, but the trade-off in flatter shooting is well worth it for most folks.
What sets the CMXX apart from earlier Witness 2311 models is the redesigned grip module. EAA ditched the traditional 1911 grip safety in favor of an automatic firing pin block, which gives you a slimmer, more streamlined grip that doesn't feel as chunky in hand as a lot of double-stack .45s. Aggressive 360-degree texturing keeps the gun planted under recoil, and the smaller, removable flared magwell trims the profile down for easier concealment. An extended, lower-angle beavertail protects your shooting hand, and front and rear slide serrations make press checks and manipulations easy.
On top, the slide is cut for an RMSc-footprint optic with a removable rear sight plate, so you can run a red dot or stick with the fiber optic front sight out of the box. There's a full-length Picatinny rail underneath for the weapon light of your choice. The factory-tuned trigger breaks at around 4.5 pounds, and like a lot of these guns, it tends to smooth out nicely after a break-in period of a box or two.
One of the best parts is magazine compatibility. The CMXX runs standard 2011-pattern .45 ACP magazines, including Check-Mate and Staccato-style mags, so feeding it is easy and affordable. It ships with one Check-Mate 11-round magazine plus a cleaning brush, manual, and an Allen wrench for swapping the rear sight. This one's a great pick for shooters who want genuine 2011 features, real stopping power, and a carry-friendly footprint without spending what the big names charge.
Key Specifications
- Manufacturer: European American Armory / Girsan
- Model: Witness 2311 CMXX
- Caliber: .45 ACP
- Capacity: 11+1
- Action: Single Action Only
- Barrel Length: 4.25" Bull Barrel w/ Integral Compensator
- Overall Length: 8"
- Trigger: Factory-Tuned, approx. 4.5 lbs
- Sights: Fiber Optic Front, 3-Dot
- Optic Cut: RMSc Footprint, Removable Rear Sight Plate
- Safety: Ambidextrous Thumb Safety, Auto Firing Pin Block
- Slide: Steel, Lightening Cut / Optic Ready / Serrated
- Frame: Polymer Grip Module
- Rail: Full-Length Picatinny Accessory Rail
- Magazine Type: Standard 2011-Pattern .45 ACP
- Manufacturer Part Number: 395068
Frequently Asked Questions
What magazines does the Witness 2311 CMXX use?
It runs standard 2011-pattern .45 ACP magazines, which makes finding spares simple and affordable. Check-Mate and Staccato-style .45 ACP mags are known to fit and feed well. The pistol ships with one Check-Mate 11-round magazine.
Does the compensator make a big difference?
Yes. The integral, one-piece compensated bull barrel does a real job of reducing muzzle rise, which helps with faster and flatter follow-up shots. Just keep in mind a comped pistol is louder and produces more concussion than a standard barrel, especially when shooting indoors.
Is the CMXX optics ready?
It is. The slide is cut for an RMSc-footprint micro red dot and uses a removable rear sight plate. When you mount an optic, take your time removing the rear sight, since the firing pin block components sit underneath and the small spring is easy to lose.
How is the trigger out of the box?
The CMXX comes with a factory-tuned trigger rated around 4.5 pounds. Some shooters note it feels a little rough or gritty for the first 50 rounds or so, then noticeably smooths out as the gun breaks in. It generally feels better than most striker-fired triggers.
Who is this pistol best suited for?
It's a good fit for shooters who want genuine double-stack 1911 features and the stopping power of .45 ACP in a carry-friendly size. The slimmer grip module, smaller magwell, and compensated barrel make it work for concealed carry, range days, and competition. It's a strong value pick for anyone wanting 2011 performance without the premium price.





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