Reduced velocity for indoor use with top quality spring and fitted guides.

Can build for HW50 ( old and new) R6, HW99, R8, Hw55, HW57.

Please email exact model required. Velocities vary- Figure 10m power for R6-50s and 500's for R8 and old 50-55.

Old guns like the R8-HW50 are sub 1" receivers and take a different kit- so please email us.