TMC Officers Lightweight Mainspring Housing – Smooth – Silver

Officers -Lightweight Mainspring Housing – Smooth – Silver

These Flat Aluminum Mainspring Housings are custom machined out of Aerospace grade 6082-T6 Aluminum on percision CNC Mills.  They are then bead blast them to a perfect matte finish and then under go a Type III Hard Anodized process, which produces a coating that is denser and more abrasive resistant than the regular sulfuric anodizing used by other manufactures.

Carefully engineered and sized for ultimate fit, form and function, The TMC Aluminum Mainspring Housings are availible with a Smooth, Checkered or Chainlink Finish and are availible in both Officer and Goverment sizes, in Black or Silver.

The Full Size Governemt Aluminum Mainspring Housing weighs in at only 17 grams or 0.6 onces which is 2.6 times less than the same MSH made out of steel, while the Officer’s Size Aluminum Mainspring housing weighs in at a mare 11.3 grams or  0.4 onces. They come ready to install.  Now is the time to replace that Plastic Mainspring Housing out of your $900 Plus 1911 handgun.

Achieve maximum weight reduction and maximize the reliability of your custom Carry 1911 or Competition 1911 by replacing the Plastic Mainspring Housing.