Ultimate Airsoft Custom (UAC) just released their Reinforced Trigger Housing For the Tokyo Marui/WE Airsoft G17/G18C GBB Pistols... "Constructed with aircraft-graded 7075 aluminum provide extra durability also hard anodized finish can provide extra protection to the abrasion. The housing was made by precision CNC with tight tolerance which reduce the wobble of the slide and smoother the slide action."