Description
The P211-GT4 is SIG's answer to a question the 2011 world has been asking for a while: what if you could get the trigger, the capacity, and the shootability of a high-end double-stack 1911 in a pistol sized for real-world carry? SIG describes it as their first double-stack 1911 in a truly compact format, and the GT4 delivers that without any of the usual compromises. The 4.2" target-crowned bull barrel keeps the overall length down while still delivering excellent accuracy and a consistent recoil impulse. The carry-length slide pairs naturally with that barrel, and the whole package clocks in at 7.75" overall with a 5.4" height.
One of the bigger engineering wins here is the magazine situation. Most 2011-style pistols run proprietary magazines that can cost $90 or more each and aren't always easy to find. The P211 platform uses standard SIG P320 steel magazines instead, which are widely available, proven in service, and genuinely affordable. You get two 21-round mags and one 17-round mag in the box, so you're ready to run on day one.
The SIG-LOC PRO optic-ready footprint on the slide opens up a solid range of red dot options, and the XRAY3 day/night sights give you a capable backup sight picture right out of the box with no additional spend needed. The skeletonized flat-blade trigger delivers the clean, predictable SAO break the platform is known for, and the removable low-profile steel magwell helps with reload speed without adding bulk that fights concealment. Fully ambidextrous controls, a steel frame with beavertail, a bobbed hammer, and a 3-slot Picatinny accessory rail round out a feature list that's thorough by any standard.
This one is going to appeal most to experienced pistol people who already appreciate the 1911/2011 trigger geometry and want that feel at double-stack capacity, without paying the premium that typically comes with it. It's also a natural fit for anyone already running P320 magazines, since your existing mag inventory crosses over directly.
Key Specifications
- Model: P211-GT4
- MPN: 211CA-9-GT4
- UPC: 798681740475
- Caliber: 9mm Luger
- Action: Single Action Only (SAO)
- Barrel Length: 4.2" Target-Crowned Bull Barrel
- Overall Length: 7.75"
- Height: 5.4"
- Width: 1.48"
- Weight (w/ Magazine): 41.6 oz
- Frame Material: Stainless Steel
- Slide Finish: Black Nitron
- Optic Footprint: SIG-LOC PRO
- Sights: XRAY3 Day/Night Front, Black Fixed Rear
- Magazine Capacity: 17+1 / 21+1
- Safety: Ambidextrous Thumb Safety, Grip Safety, Firing Pin Safety
What’s Included
- SIG SAUER P211-GT4 pistol
- Two 21-round P320-compatible steel magazines
- One 17-round P320-compatible steel magazine
- Removable low-profile steel magwell (installed)
Frequently Asked Questions
What magazines does the SIG SAUER P211-GT4 use?
The P211-GT4 runs on standard SIG SAUER P320 steel magazines, which is one of the standout practical advantages of this platform over traditional 2011 pistols. It ships with two 21-round and one 17-round P320-compatible steel magazine. If you already own P320 mags, they work directly with the GT4 without any modification.
What red dot optics are compatible with the P211-GT4?
The GT4 uses SIG's SIG-LOC PRO optic footprint on the slide, which is a bottom-mount system. SIG's own ROMEO-X is a natural direct-mount fit. Other popular options like the Trijicon RMR, Leupold DeltaPoint Pro, and Vortex Defender ST/XT can also mount using appropriate adapter plates. If you're adding a red dot, prioritize optics confirmed for the SIG-LOC PRO cut rather than assuming other P211 variants share the same footprint.
How does the P211-GT4 differ from the P211-GT5?
The GT4 is the carry-oriented member of the P211 family, built around a shorter 4.2" bull barrel and a carry-length slide for a more compact overall profile. The GT5 uses a full 5" bull barrel with a full-length slide and is aimed more at duty and competition roles where the extra sight radius and slide mass are beneficial. Both share the same frame, trigger, G10 grips, and P320 magazine compatibility.
Is the P211-GT4 a true 1911 or a 2011-style pistol?
The P211-GT4 is SIG's take on the modern double-stack 1911, sometimes called a 2011. It keeps the classic 1911 elements that matter most, including the SAO trigger geometry, grip safety, ambidextrous thumb safety, and single-action trigger feel, but it uses a wider double-stack grip frame to accommodate high-capacity P320 magazines. The result is a pistol that handles and shoots like a refined 1911 but gives you up to 21+1 rounds of 9mm.
Does the P211-GT4 require a holster specific to this model?
Yes, holster fit for the P211 lineup is model-specific. GTO holsters are not compatible with the GT4 due to differences in the slide and compensator configuration, so make sure any holster you purchase is explicitly listed for the P211-GT4. The carry-length slide and steel frame make a quality belt system especially important for comfortable daily carry.
What safety features does the P211-GT4 have?
The GT4 has a three-safety system: fully ambidextrous thumb safeties, a grip safety, and a firing pin safety. The firing pin safety mechanically blocks the firing pin unless the trigger is fully pressed, providing an additional layer of drop protection. This setup should be familiar to anyone with 1911 experience and adds meaningful peace of mind for those carrying the pistol daily.




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