Roto-4M 1911 Drop-in Barrel 9mm 5" Government Black

The Roto-4M 1911 Barrel in 9mm is hammer forged over a precision mandrel within .0001" and with bore tolerances held within .0002", this 1911 Barrel is a surefire way to upgrade or replace an old, worn out barrel. This barrel is manufactured from Steel, heat treated and features a polished bore. It incorporates a National Match Feed Ramp for more reliable feeding and function with diverse bullet profiles. Features a 1:16 Twist Ratio.

Roto-4M is proud to offer this high quality 1911 drop-in barrel, however, due to the vast selection and many different variations of 1911 slides and frames, minor fitting may be required. Outside diameter measures .579" held to a tolerance of .1". Barrel link and link pin Not Included!