SIG SAUER 211CA-9-GT4-RXSL P211 GT4 9MM 4.2" O.R. 17 / 21 RND ROMEO X

The SIG SAUER P211 GT4 (211CA-9-GT4-RXSL) is a duty-grade, hammer-fired 9mm carry pistol built on a full-metal double-stack 1911-pattern platform for shooters who demand precision engineering in a carry-length package. Chambered in 9mm Luger and shipped factory-ready with a mounted ROMEO-X red dot optic, this is the single action carry pistol 9mm that serious shooters, duty professionals, and competition-ready buyers have been waiting for.

Key Features

• Manufacturer Part Number: 211CA-9-GT4-RXSL
• Caliber: 9mm Luger
• Action: Single Action Only (SAO)
• Barrel: 4.2-inch carbon steel bull barrel with target crown
• Capacity: 17+1 and 21+1, includes one 17-round and two 21-round P320-compatible steel magazines
• Frame: Steel frame with black Nitron finish
• Grip: Alloy grip module with G10 grip panels and removable steel low-profile magwell
• Sights: XRAY3 Day/Night front and rear sights
• Optic: ROMEO-X red dot factory installed via SIG-LOC PRO mounting system
• Overall Length: 7.6 inches
• Overall Width: 1.48 inches
• Height: 5.4 inches
• Weight: 42.3 oz with magazine
• Trigger: Flat skeletonized SAO trigger
• Safety: Manual frame-mounted ambidextrous safety
• Slide: Carry-length SIG-LOC PRO optic-ready slide with aggressive front and rear serrations

Special Features

• The SIG-LOC PRO mounting system integrates the factory-installed ROMEO-X red dot directly into the slide without adapter plates, preserving slide mass and maintaining a consistent zero.
• The ROMEO-X optic delivers 20,000 hours of run time, 15 brightness settings, and side-mounted CR1632 battery access so you can change the battery without losing your zero.
• G10 grip panels provide a firm, consistent purchase and resist moisture, oils, and wear better than polymer alternatives.
• The removable steel low-profile magwell speeds up reloads while keeping the pistol carry-compatible.
• Full ambidextrous controls including the safety and magazine release make the P211 GT4 equally functional for left-handed and right-handed shooters.
• P320-compatible steel magazines mean the GT4 works with one of the most widely available and field-proven magazine platforms in the industry.
• XRAY3 day/night sights remain fully functional as backup iron sights even with the optic mounted, giving you a redundant aiming system on a single platform.

Practical Benefits

• The carry-length 4.2-inch bull barrel delivers target-grade accuracy in a package sized for concealed carry and everyday use, bridging the gap between a competition pistol and a daily carry gun.
• Three included steel magazines give you 59 rounds of carry-ready capacity straight out of the box, with no additional purchases required to get on the range or on duty.
• The SAO trigger paired with the factory-installed ROMEO-X gives competition shooters a fast, consistent break with an instant red dot acquisition that translates directly to tighter groups and faster splits.
• Duty professionals and home defenders benefit from the full-metal construction and Nitron finish, which handle hard use and resist corrosion across a wide range of carry and storage conditions.
• Your investment in the SIG SAUER P211 GT4 (211CA-9-GT4-RXSL) buys a factory-configured, optic-ready 9mm that is ready to perform from the first round without additional upgrades or fitment work.

The SIG SAUER P211 GT4 (211CA-9-GT4-RXSL) in 9mm Luger is a proven platform and a smart addition for the duty shooter, competitive shooter, or carry-focused buyer who wants full-metal construction, a factory-mounted optic, and high-capacity performance in a single purpose-built package.