One of the items that WE G17 & G18 GBB Pistols is this Slong 3DAM G-KRISS Kit. Using the kit gives you a grip that turns the pistol into a mini-KRISS and can hold one extra magazine. Available in two colours, tan and black, you can kit even the amplifier for the front thread. This item is on display at the ongoing MOA Exhibition 2017 in Taiwan.