The Sig Sauer P320 Full-Size pistol in 9mm and black with a factory-mounted Romeo1 Pro red dot (brand part no. SIG W320F-9-BSS-RXP) is a striker-fired duty-size pistol built for shooters who want an optic ready to go straight out of the box. Sig Sauer sizes the barrel at 4.7 inches with a 17-round capacity, and factory night sights co-witness beneath the Romeo1 Pro for a backup aiming reference. Among factory-optic semi-auto handguns, this P320 Full-Size configuration favors shooters who want a complete red-dot-equipped duty package.

Key Specifications

• The chambering is 9mm, and the capacity is 17 rounds.
• The barrel measures 4.7 inches, giving a full sight radius.
• The pistol includes a factory-mounted Romeo1 Pro red dot sight.
• The sights are night sights, co-witnessing beneath the red dot.
• The sight radius measures 6.6 inches, aiding precision at distance.

Frequently Asked Questions

Does this pistol come with a red dot already mounted? Yes, a Romeo1 Pro ships factory mounted on the slide.

Do the night sights work with the red dot? Yes, they co-witness beneath the Romeo1 Pro as a backup aiming reference.

Buy the Sig Sauer P320 Full-Size w/ Romeo1 Pro

A complete red-dot-equipped duty package straight from the factory is exactly what this P320 Full-Size delivers. Order it from our Lubbock, Texas gun shop for fast, insured shipping to your FFL.