Storm Lake Barrel Glock 23 40 S&W to 357 Sig Conversion 1 in 16″ Twist 4.02″ Stainless Steel

Machined from solid 416 stainless barstock, tolerances held to +/- .001″ in critical areas, finish heat treated to 40-42 HRC and cut broach rifled. Left hand 1 in 16″ twist with 6 lands and grooves. Barrels are semi-drop in and usually require fitting by a qualified gunsmith. Storm Lake requests that they be contact first regarding any issues with a Storm Lake product.