Sig Sauer P320 Compact | 9mm | 3.9″ | MFG# 320C-9-BSSP-10

The SIG Sauer P320 Compact is a modular, striker-fired pistol chambered for 9mm with a 3.9″ barrel and an optic-ready slide using the ROMEO1 footprint. It ships with SIGLITE front and rear night sights and two 10‑round magazines, and its compact grip module suits a range of hand sizes for everyday carry and target work. For those fitting a red dot, the SIG Sauer ROMEO1 (compatible with the ROMEO1 footprint) is a practical optic option commonly available well under $1,000.

Product Specifications

• The caliber is 9mm.
• The action is Semi-Auto.
• The barrel length is 3.9 inches.
• The overall length is 7.2 inches.
• The weight with magazine is 26.6 oz.
• The magazine capacity is 10 rounds.
• The number of magazines included is 2.
• The optic footprint is ROMEO 1.
• The sights are SIGLITE night sights.
• The finish is Nitron / Black.
• The grip material is Polymer.
• The pistol includes a full-length accessory rail.
• The trigger system is striker-fired with a curved trigger.
• The UPC is 798681699117.

The Compact P320 blends SIG Sauer’s modular design with features aimed at practical shooting: an optic-ready slide, night sights, and a compact grip profile that accommodates a wide range of users. Its combination of a 3.9″ barrel and two included 10‑round magazines makes it suitable for precision-focused practice sessions and daily concealed carry applications where compact handling and modularity matter.

Many owners praise the pistol’s smooth, crisp trigger and its modularity—interchangeable grip modules that adapt to different hand sizes. These qualities are frequently cited as strengths in user feedback.

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