The Zipper SXT and ZSR risers are by far the most popular in the Zipper line. Smaller, thinner more streamline they were designed for the shorter draw length, but can be used by anyone.
The SXT riser and its design allows for less brace height, which in turn creates agreater power stroke. The ZSR riser is an inline riser which provides more shot stability and accuracy.
-14″ long – 4″ site window
-Shelf cut 3/16″ past center