Swenson Semi Drop-In 1911 Government Barrel 45 ACP 5" Matte Black

The Swenson 1911 Semi Drop-In Barrel in 10mm Auto is hammer forged over a precision mandrel within .0001" and with bore tolerances held within .0002". This Swenson 1911 Barrel is a surefire way to upgrade or replace an old, worn out barrel. This barrel is manufactured from 4140 Steel, heat treated to 44 RC and features a polished bore with a surface finish of 16 microns or better. It incorporates a National Match Feed Ramp for more reliable feeding and function with diverse bullet profiles. Note