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SIG SAUER P320 Compact 9mm Pistol W/ Romeo1 PRO Reflex Sight


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Ships from Distribution Facility

FFL Required Before Shipping.

Please have your dealer email a copy of their FFL to [email protected] or fax it to 253-218-2998, referencing your name and order number.


Due to the ongoing COVID-19 pandemic limiting Sig's ability to produce magazines, P365s and P320s may only ship with a single magazine. Handguns that ship with a single magazine will come with a voucher from Sig that can be redeemed for the additional magazines once full production has resumed.

Featuring SIG SAUER's exclusive slide-mounted optic, the ROMEO1 PRO. The RXP will ensure faster sight acquisition on target. Simply put, it will make a good shooter a great shooter. Shoot confidently with faster target acquisition and improved accuracy. Installed. Zeroed. And backed by the quality of the SIG name.

The P320 RXP Compact 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. Its compact frame is ideal for target shooting and home defense, as well as many concealed carry scenarios.  This modular, striker-fired pistol features a full-size grip, compact slide, and contrast Suppressor Height Sights along with a factory mounted 6MOA ROMEO1 PRO. Available in 9mm. Safety features include a striker safety, disconnect safety.



  • ROMEO1 PRO Reflex Optic Installed with Suppressor Contrast Sights
  • Serialized Striker-Fired Trigger Group with a Smooth, Consistent Trigger Pull
  • Modular Polymer Grips Available in Small, Medium, and Large
  • 3-Point Takedown System Eliminates the Need to Pull the Trigger To Disassemble
  • Ambidextrous Slide Catch Lever and Reversible Magazine Catch


  • CALIBER: 9mm Luger
  • MAGS INCLUDED: (2) 15rd Steel Mag
  • SIGHTS: ROMEO1PRO w/ Suppressor Contrast 3-dot Sights
  • PISTOL SIZE: Compact
  • OVERALL LENGTH (IN): 7.2 in (183 mm)
  • OVERALL WIDTH: 1.4 in (36 mm)
  • HEIGHT: 6.2 in (158 mm)
  • BARREL LENGTH: 3.9 in (99mm)
  • WEIGHT (OZ): 26.3 oz (746 g)
  • SIGHT RADIUS: 5.8 in (147 mm)
  • TRIGGER TYPE: Standard Curved
  • GRIP MODULE: Compact Polymer Medium
  • GRIP COLOR: Black
  • BARREL MATERIAL: Carbon Steel
  • FRAME FINISH: Stainless Steel
  • FRAME MATERIAL: Stainless Steel
  • SLIDE FINISH: Nitron
  • SLIDE MATERIAL: Stainless Steel
More Information
SKU 320C-9-B-RXP
Product Type Handgun
Manufacturer Sig Sauer
Color Black
Size Compact
Barrel Length 3.9"
Caliber 9mm
Optic Footprint Sig Sauer Romeo 1
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