The Sig Sauer P220 Legion SAO is a single-action-only .45 ACP pistol with a 4.4-inch barrel, Legion Gray Cerakote finish, and Xray3 Day/Night sights. Three magazines are included. 
 

Key Specifications 

• Manufacturer: Sig Sauer 
• Model: P220 Legion SAO 
• Caliber: .45 ACP 
• Action Type: Single Action Only (SAO) 
• Barrel Length: 4.4 inches 
• Overall Length: 7.7 inches 
• Weight: 30.4 oz (1.9 lbs) 
• Capacity: 8+1 rounds (includes 3 magazines) 
• Grip Material: Black G10 with Legion Medallion 
• Sights: Xray3 Day/Night sights 
• Finish: Legion Gray Cerakote 
   

Features 

The SAO trigger is a key difference from the standard DA/SA P220 — the pull is consistent shot to shot, which many target-focused shooters prefer. At 4.4 lbs pull weight, it breaks cleanly and resets quickly. The alloy frame and stainless steel slide keep weight at 30.4 oz. Xray3 Day/Night sights use a green tritium front and blacked-out rear, which works well in both daylight and low-light without switching between configurations. The integrated SIG rail accepts lights and lasers. Black G10 grips with the Legion medallion provide solid grip texture.

The P220 Legion SAO in .45 ACP draws strong reviews from shooters who prioritize the single-action trigger system. The consistent, crisp SAO pull with a short reset is the most frequently praised feature and contributes to tight groups at the range. Build quality is universally noted as excellent — the stainless steel and alloy construction feels dense and well-fitted.

The ergonomic grip design puts the gun in a natural hold for most shooters. Xray3 sights perform well across lighting conditions and get positive mentions from both range and carry users. Reliability is reported as solid with minimal feeding or jamming issues.

.45 ACP recoil is manageable for experienced shooters but can be a barrier for newer ones. Weight at 30.4 oz is on the higher side and affects all-day carry comfort for some. The price sits at a premium tier, which most buyers accept as warranted given the quality. Aftermarket support for the P220 is reasonable with enough options for shooters who want to customize. Concealability gets mixed assessments — the slim profile helps, but the weight of a steel .45 ACP is a genuine factor for extended carry.