Description

P320 FULL-SIZED 40 S&W/357 SIG 4.7″ SLIDE ASSEMBLY, SIGLITE NIGHT SIGHTS, BLACK

This factory replacement P320 Stainless Steel slide assembly fits Full, Carry, and Compact size (X & non-X) grip modules. It accommodates our 4.7” barrel.

This slide is equipped with our standard night sights.

Barrel Compatibility: .40S&W/.357SIG
Finish: Black

*Note, only for use on 9mm/ .357SIG / .40S&W fire control units (FCU). It will not function with a .45 ACP FCU.

The SIG SAUER P320 Full-Size 40 S&W / .357 SIG 4.7″ Slided Assembly with SIGLITE Night Sights in Black is a factory OEM replacement slide designed for full-sized P320 pistols. It includes SIGLITE night sights, fits 4.7″ barrels, and is compatible with 40 S&W and .357 SIG FCUs (not .45 ACP)

SIG SAUER P320 40 Slide Assembly with SIGLITE Night Sights

Upgrade or replace your SIG SAUER® pistol slides with the P320 Full-Size 40 S&W / .357 SIG 4.7″ Slide Assembly, engineered for reliability, precision, and enhanced low-light performance. This factory OEM slide comes equipped with SIGLITE Night Sights, ensuring fast target acquisition in both daylight and dark conditions.

Key Features of the full-size P320 slide

• Factory OEM replacement: Designed by SIG SAUER for guaranteed fit and function.
• SIGLITE Night Sights: Standard night sights installed for superior visibility in low-light environments.
• Full-size 4.7″ slide assembly: Compatible with full-size grip modules and 4.7″ barrels.
• Durable black finish: Corrosion-resistant coating for long-lasting performance.
• Versatile caliber support: Works with .40 S&W and .357 SIG FCUs (not compatible with .45 ACP).

Compatibility

• Grip modules: Fits full-size P320 grip modules (X-series and non-X series).
• Barrel compatibility: Designed for 4.7″ .40 S&W or .357 SIG barrels (sold separately).
• Fire control units: Compatible with .40 S&W and .357 SIG FCUs only.

Why Choose This Slide Assembly?

• OEM precision: Direct from SIG SAUER for unmatched reliability.
• Enhanced sight picture: SIGLITE Night Sights provide clear aiming in all lighting conditions.
• Durability: Stainless steel construction with black finish resists wear and corrosion.
• Warranty safe: Installing this slide does not void your firearm warranty.

P320 Full-Size 40 S&W/.357 SIG 4.7″ Slide Assembly with SIGLITE Night Sights delivers OEM precision, durability, and enhanced low-light performance.

Compatible with full-sized grip modules and 4.7″ barrels, this slide ensures your P320 runs reliably with .40 S&W or .357 SIG setups.