This Rival Arms Precision barrel (brand part number RA20P401A) is a CNC-milled, match-grade barrel built as a drop-in upgrade for the Sig Sauer P320 Full-Size. Finished in black and cut with a 1:10 twist rate, it delivers a precision-machined bore for improved accuracy over the factory barrel, and no gunsmith fitting is required to install it.

Key Specifications

• Fits the Sig Sauer P320 Full-Size.
• Finished in black.
• Rifled with a 1:10 twist rate.
• CNC-milled for match-grade accuracy.
• Drop-in installation, no gunsmith required.

Frequently Asked Questions

Is a gunsmith required to install it? No, it’s a drop-in barrel.

What’s the twist rate? 1:10.

Buy the Rival Arms Match-Grade Barrel for Sig P320 Full-Size

Upgrade your P320 Full-Size with a match-grade barrel that drops right in. Order it from our Rival Arms lineup, part of our handgun barrels selection, at our Lubbock, Texas gun shop for fast, direct shipping.