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Craig Colvin
Trapshooting
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18″ Truss Dob Conversion
18″ Truss Dob Construction Details
8″ String Scope
Observing Chair
Orion XT10 Hacks
Binocular Mirror
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8″ String Travel Scope
18″ Truss Conversion
XT10 Modifications
Observing Chair
Binocular Mirror Mount
