Brand New In Retail Packaging. Alpha Wolf barrels establish the benchmark for absolute accuracy and combat reliability.This barrel has a "Graphite Black" cerakote finish. PROUDLY MADE IN THE USA! 40 S&W to use 9mm. Designed for lead, plated, or jacketed ammunition. Certified, stress relieved 416 stainless steel. Button rifled, three stage honed bore. Industry recognized SBN premium coating (SBN is Salt Bath Nitride, similar to Tennifer). Heat treated to RC 40-42, then SBN coating increases surface hardness to RC 60. Exacting tolerances allow for drop in installation. Fluting creates path for heat and debris to escape. The item "Alpha Wolf M&P Shield 40-9 Conversion Barrel Lone Wolf AW-SWS409N" is in sale since Tuesday, August 08, 2017. This item is in the category "Sporting Goods\Hunting\Gun Parts\Pistol". The seller is "everything_manly" and is located in Boynton Beach, Florida. This item can be shipped to United States.