Tactical Kinetics's Match Grade barrels are precision machined from Certified, DFARS compliant; pre hardened 416R premium grade stainless steel, to extremely tight tolerances and exacting details. 416R stainless steel is recognized for its corrosion resistance, machinability and high tensile strength; it is the industry standard for premium Match Grade barrel manufacturing. Tactical Kinetics's propriety in house machining, production and Quality control inspection process's allow us to attain an ultra-precise barrel with enhanced slide fit & lock up for improved accuracy. Barrels are 6 groove, cut rifled, 1:10 Twist Right Hand, fully QC inspected, double honed (rough and finish) to produce the smoothest bore possible, with a Max Roughness Average (RA) of 12. Finished bore dimensions are held to +/- 0.0005" tolerance from nominal groove and bore dimensions but the dimensions are uniform to within 0.0002 for maximum consistency, accuracy and quality. SAAMI, Match Grade specification chambers, precision cut and finished to a maximum Roughness Average (RA) of 16. The pre hardened 416R stainless steel is stress relieved to an exacting recipe after rifling and final hardness is 38-42 Rockwell C before final barrel profile machining is completed. Specifications for Tactical Kinetics Glock G43 Gen 5 Threaded Barrel: Manufacturer: Tactical Kinetics Barrel Profile: Standard Threads per Inch: 1/2x28 Barrel Twist Rate: 1-10 Flutes: No Caliber: 9mm Luger Barrel Material: 416R Stainless Steel Gun Make: Glock Gun Model: Glock 43 Gen 5 Weight: 0.4 lb Package Contents: Tactical Kinetics Glock G43 Gen 5 Threaded Barrel Which weapon models is Tactical Kinetics Glock G43 Gen 5 Threaded Barrel compatible with? Tactical Kinetics Glock G43 Gen 5 Threaded Barrel is compatible with Glock 43 Gen 5