Sig Sauer P320 Pro Fullsize RXP – 9mm, 4.7", ROMEO1PRO Red Dot, XRAY3 Sights (W320F-9-BXR3-PRO-RXP)
This is the P320 Pro Fullsize RXP: a 9mm duty-size striker pistol with a factory-mounted ROMEO1PRO reflex optic, XRAY3 suppressor-height day/night sights for co-witness, a 4.7-inch barrel, and the X-Series straight trigger. Pro packaging typically includes three 17-round steel magazines. Sig part number W320F-9-BXR3-PRO-RXP, UPC 798681621460. This listing is for the P320 Pro Fullsize RXP with ROMEO1PRO (this SKU) only.
ROMEO1PRO Already Installed
The slide arrives with the ROMEO1PRO optic mounted and zeroed from the factory, so you are not buying a plate stack and hoping for a footprint match. Suppressor-height XRAY3 irons sit behind the glass for a backup sight picture.
Pro Fullsize Layout
- 4.7" carbon steel barrel, full-length Nitron slide.
- X-Series straight trigger for a clean 90-degree break.
- Modular polymer X-Series grip module with M1913 rail.
- Ambidextrous slide catch and reversible magazine catch.
- Internal striker and disconnect safeties; no manual thumb safety on this model.
Sig Sauer P320 Pro Fullsize RXP Specifications
| Manufacturer | Sig Sauer |
| Model | P320 Pro Fullsize RXP |
| Part Number | W320F-9-BXR3-PRO-RXP |
| UPC | 798681621460 |
| Caliber | 9mm Luger |
| Action | Semi-Automatic, Striker Fired |
| Barrel Length | 4.7" |
| Capacity | 17+1 |
| Magazines Included | Three 17-round steel |
| Optic | ROMEO1PRO (factory installed) |
| Sights | XRAY3 day/night, suppressor height |
| Trigger | X-Series straight |
| Slide Finish | Nitron |
| Overall Length | 8" |
| Height | approximately 6.4" |
| Width | approximately 1.4" |
| Weight | approximately 29.4–30 oz |
| Accessory Rail | M1913 |
| Manual Safety | None |
Frequently Asked Questions
Does it come with an optic?
Yes. A ROMEO1PRO is factory-installed on this SKU.
How many magazines are included?
Pro packaging for this configuration lists three 17-round steel magazines.
Can I co-witness irons with the optic?
Yes. XRAY3 suppressor-height day/night sights are part of this setup.
Which RXP is this listing?
W320F-9-BXR3-PRO-RXP only, UPC 798681621460.
Internal Reference:
W320F-9-BXR3-PRO-RXP
Barcode:
798681621460
| Brand: Sig Sauer |
| Model: P320 |
| Caliber: 9mm |
| Capacity: 17 |
| Firearm Action: Semi-auto |
| Color: Black |
| Barrel Length: 4" - 5", 5" |
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This product may have shipping restrictions in some states.
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This item cannot be shipped to the following locations due to legal or carrier restrictions:
Restriction Details
This product cannot be sold or shipped to your location due to magazine capacity restrictions. Magazine capacity cannot exceed 10rd. If you believe this to be incorrect or if you're exempt from the restriction, please contact us at 636-791-1655.
Affected States/Territories (10):
Restriction Details
Colorado prohibits magazines with a capacity exceeding 15rd. If you believe this is in error or if you are exempt from the restriction, please contact us at 636-791-1655.
Affected States/Territories (1):
Restriction Details
Vermont restricts handgun magazine capacity to 15rd. This exceeds the state's restricted capacity. If you believe this is in error or if you are exempt from the restriction, please contact us at 636-791-1655.
Vermont restricts rifle magazine capacity to 10rd. This exceeds the state's restricted capacity. If you believe this is in error or if you are exempt from the restriction, please contact us at 636-791-1655.