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Motor Retainers

Motor Retention Hardware for High-Power Rocketry



Part # Item Image Item Name Price
RK MRT18S Rocketarium 18mm Motor Retainer

Rocketarium 18mm Motor Retainer

18mm Model Rocket Motor Retainer These 18mm motor retainers are made in the USA. They work with Estes-style BT20 body tubes. Thicker paper tubes can...
$11.95

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RK MRT24S Rocketarium 24mm Motor Retainer

Rocketarium 24mm Motor Retainer

24mm Rocket Motor Retainer These quality motor retainers are precision-machined from aluminum and are anodized. Made in the USA. Full set weight :...
$13.95

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RK MRT24HW Rocketarium 24mm Motor Retainer- Heavy Wall Tubes

Rocketarium 24mm Motor Retainer- Heavy Wall Tubes

24mm Rocket Motor Retainer for Heavy Wall Tubing These quality motor retainers are precision-machined from aluminum and are anodized. Made in the...
$13.95

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RK AD18-24 Rocketarium 18/24mm Retainer Adapter

Rocketarium 18/24mm Retainer Adapter

18/24mm Motor Retainer Adapter 18mm to 24mm adapter for use with Rocketarium 24mm motor retainers. Works with 18mm AT RMS motors and single use...
$11.95

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EST-9750 Estes Pro Series II 29mm Motor Retainer Set

Estes Pro Series II 29mm Motor Retainer Set

The perfect accessory for all 29 mm engines! The Motor Retainer Set allows you to quickly load and unload a motor by screwing on the retaining...
$8.99
Sale Price: $8.09

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EST-9751 Estes Pro Series II 24mm Motor Retainer Set

Estes Pro Series II 24mm Motor Retainer Set

Now Estes has a smaller version of their Pro Series II retainer set for 24mm motors. The Motor Retainer Set allows you to quickly load and unload a...
$7.99
Sale Price: $7.19

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PML HAMR-29 Set HAMR 29mm Motor Retainer Set

HAMR 29mm Motor Retainer Set

HAMR-29-SET Designed for rockets with a standalone 29mm MMT. Includes threaded sleeve and retainer cap for 29mm MMT. 0.65 ounces total. PML's own...
$27.95

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PML HAMR-38 Set HAMR 38mm Motor Retainer Set

HAMR 38mm Motor Retainer Set

HAMR-38-SET Designed for rockets with a standalone 38mm MMT. Includes threaded sleeve and retainer cap for 38mm MMT. 0.80 ounces total. PML's own...
$31.95

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PML HAMR-54 Set HAMR 54mm Motor Retainer Set

HAMR 54mm Motor Retainer Set

HAMR-54-SET Designed for rockets with a standalone 54mm MMT. Includes threaded sleeve and retainer cap for 54mm MMT. 1.30 ounces total. PML's own...
$34.95

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ARO-19002 AeroTech 29mm Motor Retainer

AeroTech 29mm Motor Retainer

AeroTech 29mm Motor Retainer fits all AeroTech kits and tubes with an OD of 1.235" Black anodized aluminum.
$15.99

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