Sig Sauer P211 GTO 9mm, Full-Size 2011 Platform, 4.4 in Bull Barrel with Compensator, 21+1, Nitron Finish, Optics-Cut Slide
The Sig Sauer P211 GTO is a recent, full-size 2011-platform 9mm built in the USA with a carbon steel bull barrel, an integrated compensator/sight-block module, and a Nitron-finished stainless-steel frame. It ships with 21-round magazines and features an optics-cut slide with a removable top plate, fiber-optic front sight, and robust safety suite.
Condition
Overall Condition: Very good condition, showing only light, superficial signs of prior handling or use.
Bore Overall Condition: Excellent - Clean, mirror finish, no signs of wear.
Bore Rifling: Excellent Rifling - Sharp lands and grooves.
Specific Condition Notes: Minor handling marks are present from previous use. Please refer to the photos for close-up views of these areas.
What’s Included
- 3x 21-round magazines
- SIG Sauer owner's manual
- Spare GTO-logo grip panels (not installed)
- Factory soft case (gray)
- SIG Sauer factory test target card for SKU 211F-9-GTO
This P211 GTO combines a stainless-steel frame with a Nitron finish and an alloy grip module wearing textured, removable plain grip panels; spare GTO-logo panels are included. Ergonomic touches include an extended beavertail, an undercut trigger guard, and checkering on the frontstrap and backstrap. A large, flared silver-colored magazine well speeds reloads.
The carbon steel bull barrel works with a distinct Mach3D compensator/sight-block module at the muzzle. The slide carries front and rear serrations, top relief cuts, and an optics cut using the SIG-LOC PRO footprint with a filler plate installed by two Torx screws. Sight picture features a green fiber-optic front; rear sighting is dependent on the optics/cover-plate configuration.
Controls and internals follow a single-action-only, hammer-fired, short-recoil system. Safety features include an ambidextrous manual safety, a grip safety, and a firing-pin safety. The trigger is a skeletonized three-hole design. A three-slot Picatinny accessory rail on the dust cover supports common rail-mounted accessories.
Capacity is 21+1 with the included double-stack magazines, and the design uses 2011-pattern double-stack magazines. Markings include "SIG SAUER P211" on the slide, "9mm x 19 SIG SAUER" on the barrel hood, and "SIG SAUER INC., NEWINGTON–NH–USA" on the frame. Approximate overall length is 8.5 inches, and empty weight is about 45.9 oz.
The included factory test target for SKU 211F-9-GTO is dated October 28, 2025 and notes a 10-meter group of 0.48 inch with an accuracy entry of 0.50 inch.