SPIGA BB RISER POINT&SHAFTS CHECKER
Jig for checking the conformity of the barebow, shafts and tips to WA regulations.
The before mentioned regulation provides that the riser (complete with accessories) in the naked bow must pass within a circle of 12.2±0.5cm.
The same regulation limits the maximum size of arrow shafts to 9.3mm and the maximum diameter of tips to 9.4mm.
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