Easy to install drop-in design Compatible with the 43 and 43X Advanced proprietary broach cut design specifically engineered for increased accuracy potential Broach cut 6 groove rifling allows for all ammo types to be used safely, including cast lead 100% Designed and manufactured in the USA with USA sourced certified 416R stainless steel 9mm 1/10RH twist rifling Special 11 degree competition style target crown for non-threaded versions or 1/2x28 threads with included thread protector on threaded versions Threaded versions include Viton high heat integral O-ring lock thread protector Fully supported SAAMI spec chamber Improved overall fit from OEM with added chamfers, improved radius cuts, and other additions for a better than OEM barrel Assorted specialty coatings and finishes to choose from Lifetime performance warranty for function
