- Cartridge:45 ACP
- Barrel Length:5 Inches
- Finish:Matte Black
- Twist :1:16
- Threaded Muzzle:Yes
- Compatible With:1911 Government
- Country of Origin:United States of America
The Swenson 1911 Semi Drop-In Barrel in 45 ACP is hammer forged over a precision mandrel within .0001″ with bore tolerances held within .0002″, this barrel is a surefire way to upgrade or replace your old or worn out barrel. This barrel is manufactured from 4140 steel, heat treated to 44Rc and features a bore with a surface finish of 16 microns or better. This barrel also features a National Match ramp.