Daystate 4.5mm Harper Valve Seal

Factory 4.5mm valve seal with o-ring for the Harper valve system. Used in some .177 standard power Daystate rifles.

We recommend measuring the inside diameter of your valve seal to ensure ordering the correct part for your rifle.

The Harper Valve System is used in the following Daystate rifles:

-Huntsman Regal and Revere (except .25 caliber)
-Pulsar
-Red Wolf
-Renegade
-Wolverine (Except .303)