Sig Sauer P320 Slide Assembly 4.7" Stainless Steel Nitron Finish

The Sig Sauer 8900959 P320 Slide Assembly delivers enhanced durability and corrosion resistance through its stainless steel construction and black Nitron finish. This factory slide assembly maintains the P320's modular design philosophy while providing shooters with a premium upgrade path for their existing frame.

What Makes This Different

Stainless steel construction sets this slide apart from standard carbon steel alternatives, offering superior corrosion resistance in harsh environments. The black Nitron finish provides a non-reflective surface that resists wear while maintaining the slide's sleek appearance. Factory tolerances ensure proper fit and function with existing P320 fire control units and barrels.

Key Features

• Stainless steel construction for enhanced corrosion resistance
• Black Nitron finish reduces glare and resists surface wear
• Compatible with 4.7" non-threaded and 5.5" threaded barrels
• Factory Sig Sauer quality with precise machining tolerances
• Maintains compatibility with standard P320 optics cuts
• Drop-in installation with existing P320 fire control units
• Accepts standard P320 recoil springs and guide rods

This slide assembly performs consistently across temperature extremes and moisture conditions where standard finishes might show wear or corrosion. Law enforcement and military users benefit from the enhanced durability during extended duty cycles. The stainless construction maintains dimensional stability under rapid fire sequences while the Nitron coating ensures reliable cycling with various ammunition weights.

Technical Specs

• Material: Stainless steel with black Nitron finish
• Barrel compatibility: 4.7" non-threaded or 5.5" threaded
• Platform: Sig Sauer P320 modular pistol system
• Sight configuration: Standard dovetail cuts front and rear
• Optics ready: Compatible with P320 optics mounting plates
• Ejection port: Fully machined for reliable case extraction
• Country of origin: United States

This factory slide assembly represents a significant upgrade over standard options while maintaining complete compatibility with existing P320 components. The combination of stainless steel durability and Nitron finish creates a slide built for demanding applications where reliability cannot be compromised.