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 steel. Special 11 degree recessed target crown. Improved overall fit from OEM. If pistol has Loaded Chamber Indicator these barrels will fit but requires the removal or replacement of the LCI with an LCI "Delete" or blocker.The item "True Precision M&P Performance Center Shield 9 Ported Match 9mm Barrel TiN" is in sale since Friday, January 12, 2018. This item is in the category "Sporting Goods\Hunting\Gun Parts\Pistol". The seller is "wat607" and is located in Los Angeles, California. This item can be shipped to United States.