Sig Sauer Logo
SIG SAUER P320 Safety Information
July 29, 2025
Click here to read more

Sig Sauer P320 Compact 9mm Pistol with ROMEOZero-Pro 3 MOA Reflex Optic

  • Item Number: 320C-9-B-RXZP
  • /
  • View More Items by Sig Sauer
  • /
  • Condition: NEW
Sig Sauer P320 Compact 9mm Pistol with ROMEOZero-Pro 3 MOA Reflex Optic
$699.99 $779.99

Temporarily Out of Stock

Includes FREE shipping

Manufacturer Rebate

P320 P365 Vaultek Promo

Buy any new Sig Sauer P320 and/or P365 handgun and get a free Vaultek Sig Lifepod 2.0 Adventure gun safe after mail-in rebate. Excludes P320 Flux models.
Offer expires May 31, 2026

Shop all eligible items Rebate form/details
  • MOSSBERG MC-2SC SUBCOMPACT 9MM 3.4` OPTIC READY

    Mossberg MC2sc 9mm Optic Ready Subcompact Pistol with Three Magazines (No Manual Safety)
    $556.00 $299.99

  • DANIEL DEFENSE PCC 9MM ARID RATTLECAN CERAKOTE VORTEX CROSSFIRE

    Daniel Defense PCC 9mm AR-Style Pistol with Arid Rattlecan Finish and Vortex Crossfire II Red Dot
    $1,699.99

  • BERETTA APX-A1 COMPACT 9MM BLACK 3.7 IN BBL 15 ROUND

    Beretta APX-A1 Compact 9mm Optic Ready Striker-Fired Pistol
    $519.00 $369.99

  • GFORCE ARMS JAWBONE HYBRID  9MM

    GForce Jawbone 9mm Semi-Auto Pistol with Threaded Barrel and 2 Glock-Compatible Magazines
    $399.99

  • BERETTA APX-A1 COMP TACTICAL 9MM 17 RD MAG FDE

    Beretta APX-A1 Compact Tactical 9mm Optic Ready Pistol with FDE Finish
    $419.99

  • BRG USA BRG9 ELITE 9MM PISTOL BLACK FINISH 2 MAGS

    BRG USA BRG9 Elite 9mm Pistol with 4 Inch Barrel
    $219.99

  • SPRINGFIELD ECHELON 9MM 4.5F PACKAGE RANGE BAG, OPTIC, 4X MAGS

    Springfield Echelon 4.5F 9mm Gear Pac with Viridian RFX-11 Green Dot, Four Mags and Pistol Bag
    $790.00 $579.99

  • SPRINGFIELD KUNA 9 MM 6.125 IN BARREL WITH FSA

    Springfield Kuna 9mm Roller-Delayed PDW with Strike Industries FSA Brace
    $1,330.00 $1,199.99

  • SIG SAUER P365 9MM OPTIC READY TACPAC W/ HOLSTER AND THREE 12-ROUND MAGAZINES

    Sig Sauer P365 9mm Optic Ready TacPac Pistol w/ Manual Safety, Holster and Three 12-Round Mags
    $529.99

  • DANIEL DEFENSE PCC 9MM 8.3` DD4 7.0 RAIL

    Daniel Defense DD PCC 9mm Pistol with SB Tactical SB3 5-Position Adjustable Arm Brace
    $1,949.00 $1,599.99

  • BERETTA 92FS 9MM ODG TB 2X18

    Beretta 92FS 9mm DA/SA Pistol with Threaded Barrel and OD Green Finish
    $849.00 $619.99

  • TAURUS G3C 9MM COMPACT PISTOL TWO 12 RD MAGS

    Taurus G3c 9mm Compact Striker-Fired Pistol
    $364.99 $229.99

  • Federal 9mm 147 gr FMJ Flat Point American Eagle 50/Box

    Federal 9mm 147 gr FMJ Flat Point American Eagle 50/Box
    $20.99 $13.99
    ($0.28 / round)

  • Federal 9mm Luger 124 gr FMJ American Eagle 50/Box

    Federal 9mm Luger 124 gr FMJ American Eagle 50/Box
    $20.99 $13.49
    ($0.27 / round)

  • Hornady 9mm 115gr FMJ TAP Handgun Training 50/Box

    Hornady 9mm 115gr FMJ TAP Handgun Training 50/Box
    $23.99 $13.99
    ($0.28 / round)

  • Remington 9mm 115gr FMJ Remington Range 100/Box

    Remington 9mm 115gr FMJ Remington Range 100/Box
    $39.99 $24.99
    ($0.25 / round)

  • Winchester 9mm Luger 115 gr FMJ USA Target/Practice 50/Box

    Winchester 9mm Luger 115 gr FMJ USA Target/Practice 50/Box
    $15.99
    ($0.32 / round)

  • Federal 9mm Luger 124 gr HST JHP Personal Defense 20/Box

    Federal 9mm Luger 124 gr HST JHP Personal Defense 20/Box
    $41.99 $18.99
    ($0.95 / round)

  • Winchester 9mm Luger 115gr Full Metal Jacket USA 50/Box

    Winchester 9mm Luger 115gr Full Metal Jacket USA 50/Box
    $13.99
    ($0.28 / round)

  • CCI 9mm Luger 147 gr FMJ Blazer Brass 50/Box

    CCI 9mm Luger 147 gr FMJ Blazer Brass 50/Box
    $20.99 $15.99
    ($0.32 / round)

  • Federal 9mm 124gr FMJ Champion 200/Box

    Federal 9mm 124gr FMJ Champion 200/Box
    $80.99 $59.99
    ($0.30 / round)

  • Barnes 9mm 115gr XPB VOR-TX 20/Box

    Barnes 9mm 115gr XPB VOR-TX 20/Box
    $14.99
    ($0.75 / round)

  • Winchester 9mm 115 gr FMJ Value Pack 100/Box

    Winchester 9mm 115 gr FMJ Value Pack 100/Box
    $41.00 $27.99
    ($0.28 / round)

  • Winchester 9mm Luger 147 gr FMJ-Encapsulated Super Suppressed Subsonic 50/Box

    Winchester 9mm Luger 147 gr FMJ-Encapsulated Super Suppressed Subsonic 50/Box
    $17.99
    ($0.36 / round)

  • SIG SAUER P320 9MM 17RD POLICE TRADE MAGAZINE

    Sig Sauer P320 Full-Size 9mm 17-Round Police Trade-In Magazine
    $14.99

  • SIG SAUER SIG SAUER P320 9MM 30 ROUND MAG

    Sig Sauer P320 9mm 30 Round Extended Factory Magazine
    $59.99 $46.20

  • ETS GROUP CARBON SMOKE FITS SIG SAUER 320 17RD 9MM MAG EXTENDED

    Elite Tactical Systems Sig P320 9mm 17 Round Carbon Smoke Magazine
    $14.49 $7.46

  • ETS GROUP OMEGA FITS SIG SAUER 320 17RND 9MM MAG

    Elite Tactical Systems Omega 17 Round 9mm Magazine for Sig Sauer P320 Pistols
    $25.99 $18.66

  • SIG SAUER P320 M17 9MM 17 RD MAG (COYOTE)

    Sig Sauer P320 Full-Size/M17 9mm 17 Round Coyote Magazine
    $49.99 $36.97

  • SIG SAUER P320 M17 9MM 21 RD MAG (COYOTE)

    Sig Sauer P320 M17 9mm Full Size 21 Round Magazine with Coyote Base Plate
    $49.99 $38.92

  • SIG SAUER P250/P320 9MM 17 RD MAG

    Sig Sauer P320 9mm 17 Round Factory Magazine
    $49.99 $38.92

  • ETS GROUP SIG SAUER P320 9MM 15 RD MAG

    Elite Tactical Systems Sig Sauer P320 9mm 15-round Magazine
    $16.99 $13.39

  • SIG SAUER P320 COMPACT 9MM 10 RD MAG

    Sig Sauer P320 Compact 9mm 10-Round Factory Magazine
    $49.99 $38.92

  • MAGPUL AMAG 17 SG9 9MM 17RND MAG FOR SIG SAUER P320

    Magpul AMAG 17 SG9 9mm 17 Round Magazine for Sig Sauer P320/M17
    $34.95 $29.49

  • SIG SAUER P320 X-FIVE LEGION 9MM 10-ROUND MAGAZINE

    Sig Sauer P320 X-Five Legion 9mm 10-Round Magazine
    $59.99 $44.27

  • SIG SAUER P320 FULL-SIZE 9MM 10-ROUND FACTORY MAGAZINE WITH COYOTE BASEPLATE

    Sig Sauer P320 Full-Size 9mm 10 Round Factory Magazine with Coyote Baseplate
    $49.99 $36.97

Product Description

What's in the Box

  • Sig Sauer P320 9mm Compact Pistol 
  • Sig Sauer ROMEOZero Pro Red Dot Optic
  • (2) 15 Round Magazines 
  • Owner's Manual

Featuring SIG SAUER's exclusive ROMEOZero-PRO red dot optic, the RXZP will ensure faster sight acquisition getting you on target quickly and allowing you to shoot more confidently and more accurately. The new P320 RXZP comes with the innovative ROMEOZero-PRO installed, zeroed and ready to shoot right out of the box.

The new ROMEOZero-PRO is a full-size reflex optic featuring a large 30mm aspherical lens made of scratch-resistant glass, offering unmatched clarity and a distortion-free sight picture when compared to competitors. The ROMEOZero-PRO features a proprietary carbon-infused polymer housing with a reinforced lens protection area making it incredibly durable while delivering significant drop and impact protection. The P320-RXZP offers a smooth, crisp trigger to make any shooter more accurate, an intuitive, 3-point takedown, and unmatched modularity to fit any shooter and any situation.

Firearm Features

  • 1913 Picatinny Rail
  • Serrated Slide
  • Stainless Steel Construction
  • Carbon Steel Barrel
  • Curved Trigger
  • 3MOA ROMEO ZERO PRO reflex optic installed from the factory
  • Serialized Striker-Fired Trigger Group (FCU) to allow for unmatched modularity
  • Modular Polymer Grips
  • 3-Point Takedown System Eliminates the Need to Pull the Trigger To Disassemble
  • (2) Steel Magazines

Firearm Specifications

  • Manufacturer: Sig Sauer
  • Model: P320 Compact RXZP
  • Caliber: 9 mm
  • Barrel Length: 3.90"
  • Overall Length: 7.20"
  • Finish: Black Nitron
  • Grips: Black Polymer
  • Sights: 3-Dot Contrast; ROMEOZero-Pro reflex optic
  • Magazine Capacity: 15+1

Customer Comments & Questions

Customer Reviews

No reviews have been written for this product.

Write a review