- 20 x 30 LPI checkering
- Fully machined from aerospace aluminum bar stock with real cut checkering
- Low luster glass bead black anodized finish
- Drop in fit
The addition of the aluminum checkered (20 x 30 LPI) the Mainspring Housing is a great way to improve the grip and appearance of your 1911 Auto. You'll be amazed at the quality of this fully machined Bullet Proof part. This mainspring housing is a drop in fit on most quality 1911’s but may require minor fitting on some guns. For full size (Government grip) 1911 pistols.