Lantac Fluted Threaded Barrel For Glock 17

Lantac USA 9INE. Professional upgrade drop in barrels for Glock 17 Pistols. Their Match Grade barrels are precision machined from Certified pre hardened DFARS complient 416R chromium gun barrel quality stainless steel, to extremely tight tolerances and exacting details. 416R stainless steel is renouned for its corrosion resistance, machinability and high tensile strength, it is the industry standard for Match Grade barrel manufacturing. Lantacs machining and production process delivers an ultra precise barrel with tightened slide fit & lock up for improved accuracy. Lantac's barrels are 6 groove, cut rifled, 1:10 Twist Right Hand, fully inspected, double honed (rough and finish) to produce a bore with a Max Roughness Average (RA) of 12. Chambers are Match Grade SAAMI specification, precision cut and polished to a maximum Roughness Average (RA) of 16. The pre hardened 416R stainless steel is stress releavied to a proprietary recipie after rifling and final hardness is 38-42 Rockwell C b