FREE shipping on orders over $99 · 30-day returns
About · Blog · Contact
IA Iron River Armory

Sig Sauer P211-GTO Romeo3 Pro 9mm 4.4″ Comp

SKULIP|SI211F9GTOR3P Conditionnew CategorySemi Auto Handguns
$2943.26
✓ Free shipping over $99   ✓ Ships in 1–2 business days   ✓ 30-day returns

Specs at a glance

Sig Sauer P211-GTO Romeo3 P… SPECS AT A GLANCE 9mm SIZE
Editorial diagram — measurements verified during testing.

About this product

The Sig Sauer P211-GTO is a full-size, hammer-fired pistol engineered for controlled, repeatable performance. It ships optic-equipped with the SIG ROMEO3 Pro red dot and pairs a precision 4.4-inch bull barrel with a MACH3D compensator to manage muzzle rise. The design includes a flat, skeletonized trigger and G10 grip panels on an optics-ready slide and frame.

Key Specifications

  • The caliber is 9mm.
  • The barrel measures 4.4 inches and is a bull barrel paired with a MACH3D compensator.
  • The action is Semi-Auto.
  • The trigger is a flat, skeletonized single-action only design.
  • An electronic optic is installed: SIG ROMEO3 Pro red dot.
  • The pistol includes (1) 23-round and (2) 21-round P320-compatible steel magazines.
  • The slide carries a Nitron finish and has aggressive serrations with an optics-ready footprint.
  • The grip uses black G10 grip panels.
  • The overall length is 8.5 inches.
  • There is an accessory 1913 Picatinny rail on the frame for lights or lasers.

The P211-GTO blends modern optics-ready ergonomics with a compensated bull-barrel platform intended for rapid, manageable follow-up shots. Its combination of a crisp flat trigger, ROMEO3 Pro sighting, and multiple magazines makes it a practical choice for shooters seeking a full-size, feature-rich pistol platform built for precision and consistent performance.

Sources & methodology. Editorial review and rating by Travis Caldwell based on hands-on testing notes and published vendor specifications. Pricing verified at time of publication.
$2943.26