Shadow Systems barrels are 100% U.S. made. These barrels are precision machined from 416R stainless steel and feature 1 in 10 inch right hand twist conventional rifling. The barrels are engineered to drop-in but will fit more tightly in critical lock up areas to enhance accuracy. Super-hard titanium nitride coating looks great against black slides and substantially reduces friction. These barrels fit all Glock generations.
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