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Minimum Diameter Bulkhead Motor Retainers and Accessories

API Quick-Change Bulkhead Motor Retainers for Minimum Diameter Rockets offer fast, clean, tape-free and tool-free motor change.

Quick-Change Motor Retainers

API Quick-Change Motor Retainers offer fast, tool-free motor change and add professional quality to your rocket. Retainer bodies and caps are available separately.

Quick-Change Tailcone Motor Retainers

API Quick-Change Tailcone Motor Retainers offer the same fast, tool-free motor changes to your rocket that our regular motor retainers do, just with the flair of an aerodynamic tailcone assembly. Retainer bodies and cones are available separately as well.

Quick-Change Motor Adapters

API Quick-Change Motor Adapters offer the same high quality and ease of use found in our line of Quick-Change Motor Retainers.

Rail Guides
Low Drag Rail Guides

Delrin rail guides with rounded edges and countersunk screw heads.


Recovery Hardware

Our Recovery Hardware is made from chemically cleaned and polished stainless steel. Our high quality swivels feature stainless steel ball-bearings that roll with ease and won’t bind. They also have welded stainless steel rings.

J-B Weld

Recommended for use with all our retainers.


High quality 2 color vinyl stickers 1 1/2" x 5 1/2".

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