ON SALE! SIG SAUER 220R-45-LEGION-SAO-R2 P220 LEGION SAO 45 ACP 8+1, 4.40"

The SIG Sauer P220 Legion SAO (220R-45-LEGION-SAO-R2) is a full-size, single-action-only .45 ACP pistol built on the legendary P220 platform with a factory-enhanced action, optic-ready stainless slide in Legion Gray Cerakote, and three 8-round steel magazines, making it the definitive factory-refined single-action .45 ACP pistol for serious range shooters, competitive shooters, and collectors who want the most capable version of an iconic design.

Key Features

• Part number: 220R-45-LEGION-SAO-R2
• Caliber: .45 ACP
• Capacity: 8+1 rounds
• Barrel length: 4.4 inches, carbon steel
• Action: Semi-automatic, single action only
• Frame material: Alloy, hard-coat anodized
• Frame finish: Legion Gray
• Slide material: Stainless steel
• Slide finish: Legion Gray Cerakote
• Grips: Black G10 with Legion medallion
• Front sight: XRAY3 tritium day/night, green
• Rear sight: XRAY3 day/night, orange outline
• Trigger: Flat, single action only, short reset
• Safety: Ambidextrous manual thumb safety
• Optic ready: Yes, PRO-cut, DeltaPoint Pro footprint
• Optic compatibility: RomeoZeroPRO, Romeo1PRO, RomeoXPRO, Romeo2, DeltaPoint Pro footprint
• Overall length: 7.7 inches
• Overall height: 5.5 inches
• Overall width: 1.5 inches
• Sight radius: 6.3 inches
• Weight: 30.4 ounces
• Rail: SIG M1913 accessory rail
• Guide rod: Solid steel
• Magazines included: Three 8-round steel magazines
• Backed by SIG Sauer Infinite Guarantee, fully transferable

Special Features

• The single-action-only trigger is the defining upgrade of the SAO Legion configuration, removing the double-action first-shot mechanism entirely and delivering a consistent, light flat-face pull on every round, which is the foundation of the P220 Legion SAO's precision advantage over standard P220 variants.
• The short reset trigger system, developed in collaboration with Grayguns, reduces the distance the trigger must travel forward before resetting after each shot, compressing the split time between accurate follow-up shots during fast strings.
• The PRO-cut optic-ready slide accepts the DeltaPoint Pro footprint directly, covering compatibility with SIG RomeoZeroPRO, Romeo1PRO, RomeoXPRO, and Romeo2 red dots without adapter plates, and the XRAY3 iron sights remain fully functional when no optic is installed.
• The solid steel guide rod replaces the standard P220 polymer guide rod and shifts mass forward in the frame, contributing to the pistol's planted, low-movement character during the firing cycle and producing a more consistent slide return under varied load pressures.
• The enhanced polished action is hand-fitted during Legion production, smoothing the interaction between the sear, hammer, and trigger components to produce a trigger feel that standard P220 production pistols require aftermarket work to replicate.
• The stainless steel slide receives a full Legion Gray Cerakote application over a hard, corrosion-resistant stainless substrate, combining the visual uniformity of the Legion series with a base metal that resists oxidation even if the finish is scratched or worn during field use.
• Front cocking serrations are machined into the slide ahead of the ejection port, providing positive purchase for administrative chamber checks and press checks without requiring a full rearward slide stroke during press checks.
• The reduced and contoured Elite beavertail allows a higher firing grip by eliminating the sharp rear corner of the standard frame, and the front strap checkering and additional checkering under the trigger guard increase purchase on the frame surface at every contact point.

Practical Benefits

• The single-action-only trigger gives you the same pull weight, break point, and reset on the first shot as every subsequent round, building consistent mechanics that transfer directly to tighter groups on paper and steel at any distance.
• The three included 8-round steel magazines give you a full range or competition loadout from the moment you open the case, covering a standard three-magazine duty or competition setup without an additional purchase.
• The PRO optic-ready slide means you can mount a compatible red dot and run a fully supported optic-plus-iron co-witness setup for USPSA Limited Optics or Carry Optics competition without any slide machining or modification costs.
• The 30.4-ounce alloy frame and stainless slide combination gives the P220 Legion SAO a balanced, neutral weight that supports a steady hold during extended range sessions and competition stages without the fatigue of a heavier all-steel platform.
• The SIG M1913 accessory rail gives you a direct mounting surface for full-size weapon lights and lasers, making the 220R-45-LEGION-SAO-R2 a capable platform for home defense and low-light training as well as competition and range use.
• If you want the most factory-refined .45 ACP pistol built on the P220 platform with a single-action trigger, optic-ready slide, and LEGION-grade polished action delivered in one complete package, the SIG Sauer P220 Legion SAO is built to that standard.

The SIG Sauer P220 Legion SAO (220R-45-LEGION-SAO-R2) in .45 ACP is a proven platform and confident choice for the precision-focused shooter who demands a factory-polished, single-action, optic-ready .45 ACP pistol with the enduring performance credentials of the P220 name.