X-Ray Chassis (Generation 4) Unprecedented value...This is what the X-Ray chassis provides to you. When you pick up the X-Ray, it will feel nice and light compared to other chassis. You'll have nearly identical ergonomics to the Whiskey-3 with only a little more time involved in adjusting the different aspects like the length of pull. Furthermore, you'll have all the standard benefits of a chassis like the use of AICS magazines, a variety of mounting points for slings, barrier stops, etc., and aluminum block bedding for the action while not having to sell off a kidney to pay the price of admission. To accomplish Kinetic Research Group's design intent, they kept the Mfg: Kinetic Research Group