Designed for the Trusight Tru Hop Bucking Set.
Also suitable for other Hop Up rubbers.
When using this Concave Spacer, the manufacturer recommends modifying the Hop Up Arm to form a flat surface (see picture below).
Downloads & Videos:
- TruSight Tru Hop Bucking / Gummi Set Manual for Install
- TruSight High Performance Tru Hop Bucking / Rubber Set incl. Spacer
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