▼ 8% below avg
Sig Sauer P320X Slide Assembly 3.9 9mm w/Romeo-X Sight
Lowest Price
$536.07
MSRP
$669.99
Savings
20% off
Verified In Stock at
8 Stores
Updated
Aug 26, 2026
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Specifications
Description
Sig Sauer P320X Slide Features Constructed from stainless steel and finished in matte black the P320X 3.9 slide features the RX PRO footprint compatible with the included ROMEO-X Pro optic and DeltaPoint Pro-pattern red dots. The mounted ROMEO-X Pro delivers a wide field of view and crisp illumination while co-witness X-RAY3 Day/Night sights ensure reliable aiming in all lighting conditions. This factory slide assembly is optics-ready supports 3.9-inch 9mm barrels and works with SIG P320 full-size or carry recoil assemblies (not included). It s a drop-in solution for upgrading your P320 into a red dot-capable platform with high-visibility backup sights and refined factory styling. Sig Sauer P320X Slide Assembly Specifications Manufacturer: Sig Sauer Model: P320X Slide Assembly Caliber: 9mm Luger (Slide Only) Barrel Compatibility: 3.9 9mm P320 Barrels Recoil Assembly Compatibility: Carry/Full-Size (Not Included) Slide Finish: Black Material: Stainless Steel Optic: ROMEO-X Pro Reflex Sight (Included) Optic Footprint: RX PRO / DeltaPoint Pro Compatible Sights: X-RAY3 Day/Night Co-Witness Sights Optic Ready: Yes Loaded Chamber Indicator: No Application: Carry / Duty / Optics-Ready Pistol Build






