Elevate your Glock 43 & 43x with the LanTac USA LLC 01-GB-G43-TH-SS upgrade drop-in barrel for unmatched performance. Designed for professional use, these Match Grade barrels deliver exceptional precision, crafted from DFARS compliant 416R chromium stainless steel to maintain durability and accuracy. 9INE Barrels provide a simple drop-in fit, eliminating the need for gunsmithing. Final dimensions maintained to a stringent +/- 0.0002" for optimum consistency. Constructed from high-quality 416R stainless steel for superior longevity. Innovatively fluted with LANTAC's proprietary Patent Pending flute pattern. Upgrade your shooting experience with precision-engineered performance.