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3.90" x 15" Payload Section A 15″ long section of BT-3.90 with a coupler, bulkhead & hardware. Use this to extend your short 4" diameter cardboard airframe rocket! Works on LOC Precision, Apogee, Madcow and Binder Design tubing.
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🇺🇸 Ship from USA · On Agora since 2026
$12.49