This free floating barrel band is designed to fit all models of the HW100.
Having a free floating barrel is said to improve accuracy of the rifle.
These have been tested on hw100 KFSB and HW100T so should fit all models that use the standard barrel band.
JB3D will not accept any responsibility for any damage that may occur to your rifle from having it free floating, these are used at the buyers own risk.
These come in two options depending on the set up of your HW, standard barrel or FSB (shrouded Barrel)