Sig Sauer P211 GTO 9mm Commander-Length 2011, 4.4 in Bull Barrel with Slide-Mounted Compensator, 21+1 Capacity, Steel Frame, SIG-LOC PRO Optic Cut
This Sig Sauer P211 GTO is a recent-release, USA-made, Commander-length 2011-platform pistol in 9mm Luger, built on a steel frame and configured single-action only. It combines a 4.4 in bull barrel with a factory slide-mounted compensator, a high-capacity 21+1 magazine system, and the SIG-LOC PRO direct-mount optic interface, delivering a feature-rich package in a compact format.
Condition
Overall Condition: Very good condition, showing only light, superficial signs of prior handling or use.
Bore Condition: Excellent - Clean, mirror finish, no signs of wear.
Bore Rifling: Excellent Rifling - Sharp lands and grooves.
Specific Condition Notes: This firearm is in great shape with minor, superficial scratches and blemishes from light handling.
What’s Included
- SIG Sauer factory hard case (labeled 211F-9-GTO)
- Three 21-round steel double-stack magazines
- OWB Kydex holster (carbon-fiber pattern)
- SIG Sauer factory test target sheet (SKU 211F-9-GTO)
- Spare recoil spring
The P211 GTO configuration centers on a steel-framed 2011 platform with a Commander-length slide and full-size grip. Controls include a beavertail grip safety, ambidextrous thumb safety, and an ambidextrous slide release. The flat-face, skeletonized trigger and skeletonized hammer support the pistol’s tuned, competition-leaning control set while maintaining a compact footprint.
Barrel and recoil management features are a highlight: a 4.4 in bull barrel works with a factory slide-mounted compensator that has top and side ports. The compensator is Sig Sauer’s MACH3D component, produced using 3D-printing. Forward and rear slide serrations provide confident manipulation, and the slide incorporates the SIG-LOC PRO optic cut for direct mounting.
Sight setup features a green fiber-optic front; the SIG-LOC PRO optic cut supports direct-mounted optics and compatible rear-sight/plate options. A short 3-slot Picatinny accessory rail is machined into the dust cover for light or accessory mounting. The grip is alloy, offering a durable, textured interface.
This model accepts 2011-pattern double-stack steel magazines and ships with three 21-round magazines for a 21+1 capacity. The included factory test target documents a 0.71 in 5-shot group at 10 meters using SIG 115 gr FMJ, dated July 28, 2025 (SKU 211F-9-GTO). The pistol is designated under mfg part number 211F-9-GTO and is part of the GTO series.

