BudsGunShop.com - Cut slide?

Kevin, yes sir, the slide is cut for optics and has the PRO (DeltaPoint Pro) footprint.
Stay safe & have a great day!

Full specs below:
Firearm Features
Reduced and Contoured Elite Beavertail
Custom High Checkered G-10 Grips
Low Profile Slide Catch and Decocking Levers
Enhanced Checkering on Front Strap and Under Trigger Guard
Frame Relieved Under Trigger Guard
Grayguns Intermediate Reach Adjustable Trigger
Solid Steel Guide Rod
Three Magazines
Legion Gray PVD Finish on Slide and Frame
Enhanced Action with SRT
Sig Sauer Electro-optics X-RAY High Visibility Day/Night Sights
Product Specifications
Manufacturer: Sig Sauer
Model: P226 Legion (LE)
Caliber: 9mm Luger
Action Type: DA/SA
Trigger Pull DA: 10 lbs.
Trigger Pull SA: 4.4 lbs.
Frame/Slide: Alloy/Stainless Steel
Barrel Length: 4.4 in.
Overall Length: 7.7 in.
Overall Height: 5.5 in.
Width: 1.5 in.
Grips: Custom G-10
Sights: X-RAY Day/Night Sights
Accessory Rail: Picatinny
Capacity: 15 Rounds

Hi Kevin and welcome. This model is Optics Ready. Cheers and stay safe!