True Precision Sig P365-FUSE Barrel for 4.3in Pistols - Gold TiN - TRUE is proud to offer its drop-in ready barrel for the Sig Sauer P365-FUSE, designed for the 4.3in P365-FUSE 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 TRUE's commitment to those who demand only the best. The TRUE barrel stands as the definitive Sig P365-FUSE upgrade. Experience American-made precision, performance, and style. Designed for: 4.3in P365-FUSE 9mm Length: 4.95in overall Rifling Proprietary broach cut, 6-groove, 9mm 1/10RH twist, suitable for all ammo including cast lead Material: USA-sourced certified 416R stainless steel Chamber: SAAMI spec 9x19 Luger Design: Does NOT retain the LCI cut-out.