Two windows on each side of the slide forward of the ejection port and aggressive mini-ports at the top edges. Standard rear serrations.

Three windows on each side of the slide forward of the ejection port. Large port on topstrap. Carved rear serations.

One window on each side of the slide forward of the ejection port. Port forward of the sight on topstrap. Front and rear carved serrations.

We love windows and fancy cuts, however we know its not for everyone. The Z Series is a core product line that features pure function.