Product Description Upgrade your SIG Sauer P320 Full Size with the Rival Arms Precision Drop-In Barrel in 9mm Luger. CNC-machined from tough 4340H steel billet, this match-grade barrel delivers superior corrosion resistance, long-lasting durability, and enhanced accuracy straight out of the box. A sleek black Physical Vapor Deposition (PVD) coating creates a resilient barrier against wear, while the target-crowned muzzle ensures consistent, precision performance with every shot. With 6-groove rifling and individually hand-inspected quality control, this barrel installs without a gunsmith and is backed by a limited lifetime warranty - making it the ideal performance upgrade for serious shooters. Product Highlights Match-Grade Precision: CNC-machined from 4340H steel billet for superior accuracy, corrosion resistance, and durability. Black PVD Coating: Physical Vapor Deposition finish creates a durable, wear-resistant barrier for long-term performance and a tactical matte-black appearance. 6-Groove Rifling with Target-Crowned Muzzle: Engineered for tight groupings and consistent shot placement. True Drop-In Fit: Designed specifically for the SIG Sauer P320 Full Size - no gunsmith required for installation. Individually Hand-Inspected: Each barrel is quality-checked by hand and backed by a limited lifetime warranty, ensuring reliable performance you can count on. Specs Brand: RIVAL ARMS Manufacturer Part Number (MPN): RA20P401A UPC: 788130031506 Caliber: 9mm Luger Barrel Length: 3.90" Finish: Black PVD Material: 4340H Steel Rifling: 6 Groove Twist Rate: 1:10 Compatible Firearm: SIG Sauer P320 Full Size Country of Origin: USA Weight: 0.3 lbs Package Dimensions: 1.55" x 3.05" x 8.55" Warranty: Limited Lifetime Disclaimer: We strive to provide accurate and up-to-date product descriptions, specifications, and images; however, errors or omissions may occasionally occur. We are not responsible for any inaccuracies or discrepancies in the content provided. If you notice anything incorrect or unclear, please contact us so we can correct it. When in doubt, we recommend verifying details directly with the product&';s manufacturer. ]]>