Customizing a Hi-capa may be a right of passage within the airsoft hobby! Nothing makes your stock pistol run smoother than a replacement blowback unit! This Airsoft Masterpiece EDGE housing may be a CNC’d aluminum housing for your blowback components that decreases warping and flexing to stay your pistol running right. it’ll help improve your air efficiency and maximize your shooting experience! The Anodized coating helps reduce wear and scratching also . If you would like to spice up the efficiency and therefore the reliability of your hi-capa, this unit are going to be the right slot in most TM and TM style hi-capa pistols.