Description
SIG SAUER P229 optic cut slide
P229 LEGION 9MM 3.9 SLIDE. Factory replacement PRO-CUT RX Slide Assembly for the P229-1 9MM.
Features:
-Optic ready. Compatibility: ROMEO1-PRO, ROMEO2, PRO, and RMR (requires sealing plate) footprint.
– XRAY3 Day/Night Suppressor height sights
– Stylized relief cuts
– Removable optics plate with top accessible screws
Compatible with 229-1* frames and barrels.
REMEMBER
The P229 LEGION 9MM 3.9 SLIDE is intended for use with factory SIG SAUER 9MM threaded or non-threaded barrels, guide rods, and recoil springs. Compatible with the ROMEO1PRO red dot sight.
*229-1 pistols are the latest version of our P229. All P229s shipped in a 40/357 configuration or a 9MM with a rectangular barrel chamber when viewed from the top(vs trapezoidal) are 229-1 compatible. Most 229 1 9MM barrels are stamped “P229-1.”
Specifications of the p229 optic cut slide
- Model: SIG P229
- Caliber: 9mm Luger
- Color: Gray
- Application: Self-Defense, Target Shooting, Concealed Carry, Everyday Carry (EDC), Competition Shooting, Law
- Enforcement / Military, Tactical, Range
- Loaded Chamber Indicator: No
- Barrel Included: No
- Recoil Assembly Included: No
- Barrel Length: 3.9 in [99.06 mm]
- Sights: XRAY3 Day/Night Suppressor Height Sights
- Optic Ready: Yes
- RX Footprint: PRO
- Electro-Optic Installed: No
- Pistol Size: Carry, Compact
- Slide Finish: Elite Cerakote
- Slide Material: Stainless Steel
- Integrated Compensator: No
P229 LEGION 9MM 3.9″ SLIDE ASSEMBLY, OPTIC READY, GRAY
The SIG Sauer P229 Legion 9mm 3.9″ Optic-Ready Slide Assembly is a premium upgrade designed for shooters who want enhanced optics compatibility, Legion aesthetics, and factory reliability. It stands out for its optic-ready PRO footprint, durable Legion Gray finish, and compatibility with popular reflex sights, though it comes at a higher price compared to standard P229 slides. You might also like the SIG optic-ready black slide
General Product Overview
The P229 Legion 9mm 3.9″ Slide Assembly, Optic Ready is a factory SIG Sauer replacement designed for the Legion series. It features:
Optic-ready PRO footprint cut compatible with ROMEO1-PRO, ROMEO2, ROMEO-X PRO, and RMR (with sealing plate).
Legion Gray finish for durability and aesthetics.
Factory precision machining ensures drop-in compatibility with P229 frames.
Available with or without barrel and recoil assembly, depending on retailer.
Pros of the P229 Legion Slide
- Optic-ready design: Direct mounting for modern reflex sights without aftermarket milling.
- Legion Gray finish: Distinctive, corrosion-resistant coating that enhances durability.
- Factory reliability: OEM SIG Sauer part ensures proper fit and function.
- Enhanced resale value: Legion branding adds prestige and demand among enthusiasts.
Cons of the P229 Legion Slide
- Higher cost: Typically priced between $400–$800, depending on configuration.
- Limited availability: Often out of stock due to high demand.
- Weight: Slightly heavier than some aftermarket slides, which may affect carry comfort.
Comparison with Other SIG Slide Models
| Model | Key Feature | Price Range | Pros | Cons |
|---|---|---|---|---|
| P229 Legion 3.9″ Optic Ready | Legion Gray, PRO footprint | $400–$800 | Premium finish, optic-ready | Higher cost, limited stock |
| P229 Pro-Cut Slide | Aggressive cuts, optic-ready | $429–$499 | Stylish, lighter | Less subtle aesthetics |
| P229 Standard Optic Ready | Black finish, PRO footprint | $279–$349 | Affordable, functional | No Legion branding |
| P226 Legion Slide | Larger 4.4″ length | $400–$600 | Longer sight radius | Bulkier for carrying |
Why You Should Buy the P229 Legion Slide
- Prestige and exclusivity: Legion branding elevates your firearm’s status.
- Future-proof optics compatibility: Ready for modern reflex sights without modification.
- Durability and reliability: P229 LEGION 9MM 3.9 SLIDE Gray finish resists wear, while OEM machining ensures flawless function.
- Enhanced shooting performance: Optics-ready design improves accuracy and speed in defensive or competitive shooting.





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