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

Sig Sauer P320 Full Size 9mm Striker-Fired Pistol with ROMEO1 Reflex Sight

  • Item Number: 320F-9-BSS-RX
  • /
  • View More Items by Sig Sauer
  • /
  • Condition: NEW
Sig Sauer P320 Full Size 9mm Striker-Fired Pistol with ROMEO1 Reflex Sight
$849.99 $968.00

No Longer Available
This product is no longer available. We don't know when or if it will be back in stock.
  • SPRINGFIELD ECHELON 9MM COMPACT 4 IN THREADED BARREL WITH OPTIC 5 MAGS AND RANGE BAG

    Springfield Echelon 4.0C 9mm Pistol with Threaded Barrel, Viridian Green Dot, Five Magazines and Range Bag
    $1,072.97 $549.99

  • KIMBER MICRO 9 CINDER 9 MM

    Kimber Micro 9 Cinder 9mm Semi-Auto Pistol
    $419.99

  • FNH 509T 9MM PISTOL BLK WITH VORTEX VIPER RED-DOT SIGHT

    FN 509 Tactical 9mm Black Pistol with Vortex Viper Red-Dot Sight
    $1,159.00

  • 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
    $529.99

  • SPRINGFIELD HELLCAT PRO 9MM COMP BLK OSP NS25 W/ RFX GREEN DOT

    Springfield Hellcat Pro Comp 9mm Pistol with Viridian Green Dot, 3 Extra Magazines and Range Bag
    $835.00 $599.99

  • SPRINGFIELD HELLCAT PRO COMPACT OSP 9 MM 3.8 IN BARREL 3-15 RD AND 2-17 RD MAGS

    Springfield Hellcat Pro OSP 9mm Semi-Auto Pistol Gear-Up Package with Five Magazines and Crimson Trace Red Dot
    $569.99

  • GLOCK 19X 9MM FULL-SIZE FDE PISTOL

    Glock 19x 9mm Full-Size FDE Pistol with 17 Round Magazine
    $707.00 $589.00

  • BERETTA APX-A1 COMP TACTICAL 9MM 4.2 IN THREADED BBL 15 RD MAG

    Beretta APX-A1 Compact Tactical 9mm Optic Ready Pistol with Threaded Barrel
    $549.00 $499.00

  • WALTHER PDP COMPACT 9MM OPTIC READY STRIKER-FIRED PISTOL WITH 5 INCH BARREL

    Walther PDP Compact 9mm Optic Ready Striker-Fired Pistol with 5 Inch Barrel
    $649.00 $449.99

  • RUGER EC9S 9MM GRAY FRAME BLACK SLIDE 3.12 IN BBL

    Ruger EC9s 9mm Carry Conceal Pistol with Gray Frame
    $369.00 $219.99

  • CANIK TTI COMBAT 9MM 4.6` FLUTED/PORTED BARREL BURNT BRONZE CERAKOTE

    Canik TTI Combat 9mm Pistol with MaCanik M03 Competition Red Dot and Burnt Bronze Cerakote
    $949.99

  • 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

  • CCI 9mm 115 gr FMJ-RN Blazer Brass 50/Box

    CCI 9mm 115 gr FMJ-RN Blazer Brass 50/Box
    $24.99 $10.98
    ($0.22 / round)

  • CCI 9mm 124 gr FMJ Blazer Brass 50/Box

    CCI 9mm 124 gr FMJ Blazer Brass 50/Box
    $25.99 $10.99
    ($0.22 / round)

  • Maxx Tech 9mm Luger 115 gr FMJ Brass Case Target Ammo 50/Box

    Maxx Tech 9mm Luger 115 gr FMJ Brass Case Target Ammo 50/Box
    $16.95 $11.99
    ($0.24 / round)

  • Norma 9mm 158 gr TMJ Subsonic Rival Competition 50/Box

    Norma 9mm 158 gr TMJ Subsonic Rival Competition 50/Box
    $19.99
    ($0.40 / round)

  • Wolf Ammo 9mm 115 gr FMJ Bimetal Steel Performance Ammunition 50/Box

    Wolf Ammo 9mm 115 gr FMJ Bimetal Steel Performance Ammunition 50/Box
    $8.99
    ($0.18 / round)

  • Hornady 9mm 115 gr Critical Defense 25/Box

    Hornady 9mm 115 gr Critical Defense 25/Box
    $22.49
    ($0.90 / round)

  • Hornady 9mm Luger +P 124 gr FlexLock Critical Duty 25/Box

    Hornady 9mm Luger +P 124 gr FlexLock Critical Duty 25/Box
    $24.99
    ($1.00 / round)

  • Hornady 9mm 115gr FTX Critical Defense 100 Rounds in Ammo Can

    Hornady 9mm 115gr FTX Critical Defense 100 Rounds in Ammo Can
    $89.99
    ($0.90 / round)

  • Staccato 9mm 124gr FMJ Range 50/Box

    Staccato 9mm 124gr FMJ Range 50/Box
    $19.95
    ($0.40 / round)

  • Federal 9mm Luger 115 gr FMJ American Eagle  50/Box

    Federal 9mm Luger 115 gr FMJ American Eagle 50/Box
    $24.99 $11.99
    ($0.24 / round)

  • Remington 9mm 115 Gr FMJ Range 50/Box

    Remington 9mm 115 Gr FMJ Range 50/Box
    $23.99 $14.99
    ($0.30 / round)

  • Hornady 9mm Luger +P 124 gr XTP American Gunner 25/Box

    Hornady 9mm Luger +P 124 gr XTP American Gunner 25/Box
    $22.17 $18.99
    ($0.76 / round)

  • SIG SAUER P320/P250 COMPACT 9MM 15 RD MAG

    Sig Sauer P320/P250 Compact 9mm 15-Round Factory Magazine
    $46.00 $35.99

  • SIG SAUER P320 9MM 17RD POLICE TRADE MAGAZINE

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

  • SIG SAUER P250/P320 FULL-SIZE 9MM 21 RD MAG

    Sig Sauer P320 Full-Size 9mm 21-Round Factory Magazine
    $58.00 $35.99

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

    Sig Sauer P320 Full-Size/M17 9mm 17-Round Coyote Magazine
    $49.00 $35.99

  • ETS GROUP SIG SAUER P320 9MM 15 RD MAG

    Elite Tactical Systems Sig Sauer P320 9mm 15-round Magazine
    $21.99

  • SIG SAUER P320 COMPACT 9MM 10 RD MAG

    Sig Sauer P320 Compact 9mm 10-Round Factory Magazine
    $49.00 $35.99

  • 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 $27.99

  • 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 $9.99

  • ETS GROUP CARBON SMOKE FITS SIG SAUER 320 30RD 9MM MAG EXTENDED

    Elite Tactical Systems Sig P320 9mm 30-Round Carbon Smoke Magazine
    $14.99 $10.49

  • 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 $19.99

  • MAGPUL AMAG 15RND 9MM FITS SIG LP320 SILVER STAINLESS STEE

    Magpul AMAG P320 9mm 15-Round Magazine with Silver Stainless Steel
    $34.95 $33.99

Product Description

What's in the Box

  • Sig Sauer P320 RX Full-Size
  • (2) Magazines
  • ROMEO1 Reflex Sight
  • (1) Duracell CR1632 Battery
  • Lucas Extreme Duty Firearm Lubricant Sample
  • Cable Lock
  • Owner's Manaul

Unlike any other pistol in its class, the P320 features a unique 5-point safety system, standard on all models:

  • Striker Safety
  • Disconnect Safety
  • 3-point Take Down Safety System
  • Takedown is prohibited without removal of magazine
  • System prohibits takedown without slide locked to the rear
  • Rotation of takedown lever allows disassembly without tools or trigger manipulation.

The unique modular design of the P320 offers the user the ultimate in flexibility to change calibers, sizes, and fit. Small, medium, and large complete polymer grip modules ensure comfortable and optimal fit for the widest range of hand sizes.

ROMEO1 Reflex Sight

The ROMEO1 Miniature Reflex Sight is the ideal sighting solution for handgun, the Modern Sporting Rifle (MSR), and shotguns.

The ROMEO1 Reflex Sight features a high transmittance red reflector for excellent brightness, light transmittance and zero distortion. A 3MOA Red Dot with multiple intensity settings ensures rapid target engagement under a full range of lighting conditions. Smart power management with intelligent motion sensor technology provides instant-on capability while maximizing battery life. The readily available CR1632 battery is top-loading, allowing for quick battery replacement without having to remove the sight from the firearm. The extremely strong and lightweight magnesium housing and molded glass aspherical lens ensures a lifetime of performance and reliable service.

Firearm Specifications

  • Item Number: 320F-9-BSS
  • Caliber: 9mm
  • Action Type: Striker Fired DAO
  • Trigger Pull DA: 5.5 - 7.5 lbs
  • Trigger Pull SA: NA
  • Overall Length: 8.0 in / 203 mm
  • Overall Height: 5.5 in / 140 mm
  • Overall Width: 1.4 in / 35.5 mm
  • Barrel Length: 4.7 in / 119 mm
  • Sight Radius: 6.6 in / 168 mm
  • Weight w/Mag: 29.4 oz / 833 g
  • Mag Capacity: 17 Rounds
  • Sights: SIGLITE® Night Sights
  • Grips: Interchangeable Polymer
  • Frame Finish: Stainless Insert
  • Slide Finish: Nitron®
  • Accessory Rail: Yes

Customer Comments & Questions

Customer Reviews

No reviews have been written for this product.

Write a review