*click on image to enlarge.

This M4 Carbine Stock is the real deal. It made from real firearms butt stock, it is virtually indestructible.
Made to be dropped, used and abuse.

Made to last, made in USA in 3 different colors: Black, Green, and Tan.

This carbine stock will only work with the NEW CO2 Cylinders that have the smaller on/off knob.
It is made to fit snug with the tank. You may need to remove the stickers on your tank.