If you have multiple scopes from the list above and wish to purchase a Backfocus Spacer separately in order to use the QuadTCC on the different scopes, below are the spacers listed by length (reference the table below) and corresponding part number.
|Backfocus Spacer Length||Part Number|
|Scope||Part Code||Backfocus Spacer|
|AP 130 GTX||QUADTCC-AP130||22.1 mm|
|TEC 140||QUADTCC-TEC140||18.3 mm|
|TEC 160||QUADTCC-TEC160||17.0 mm|
|TEC 180||QUADTCC-TEC180||16.0 mm|
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