This is off of VPA's website.......
- Machined from solid 6061-T6 aluminum bar stock
- Adjustable for weight and limb alignment
- ILF design is compatible with all ILF components
- Low, medium, & high grips available
- Colors: Textured Black and OD Green
- Riser is 13″
"All of the hardware is made from stainless steel and aluminum making the riser completely weatherproof. Most limbs can be adjusted up or down 2 to 3 pounds. All ILF limbs on the market are compatible with our Vapor Riser product line.
We currently offer the riser with a Duracote finish in Black or OD Green."
There riser is designed to give you the # that your limbs would be on a 17" riser.
Good Shooting->->->->Craig