TRUE is proud to offer its drop-in ready barrel for the Sig Sauer P320 Compact designed for the 3.9″ P320 Compact X-Carry & M18 9mm models. TRUE barrels deliver unmatched accuracy combining advanced cuts chamfers and feed ramp designed to outperform OEM standards and to ensure reliable feeding of all types of ammunition designs. The proprietary stainless steel broach cut rifling underscores our commitment to those who demand only the best. The TRUE barrel stands as the definitive Sig P320 Compact upgrade.