High Power Model Rocketry

O-Ring for Airframe Coupler

O-Ring for Airframe Coupler - Main image
$0.3 $0.7 In stock

02/19/2025 UPDATE: THESE WILL BE DISCONTINUED ONCE OUR STOCK IS DEPLETED

Description
O-ring for airframe coupler in 2.1" diameter rockets.
O-ring for airframe coupler in 2.5" diameter rockets
O-ring for airframe coupler in 3.0" diameter rockets
O-ring for airframe coupler in 3.9" diameter rockets
Before you pay

Check the method and total at checkout.

When it ships

Allow for processing time as well as the journey to you.

Standard Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

Express Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

View policy
If you need a refund

Keep your order number and contact the store to start.

Please contact us for the refund processing timeframe before returning an item.

View policy
Delivery costs

Review the cost for your destination and chosen service.

Standard Shipping · United States: $0.00

Express Shipping · United States: $3.99

View policy
Returning an item

Check the return conditions before sending anything back.

United States · Return window (days after delivery): 30. Return method: By mail. Return postage: Seller pays.

View policy

Customer Reviews (3.8 / 5 · 5 reviews)

Lily H. ★★★★★

Grabbed a handful of the 2.1" size before these disappear, and they seated on the coupler with no fuss at all. Rubber still felt pliable out of the bag, which matters when you're cramming it into a tight airframe groove.

Ella T. ★★★★☆

Snug fit on my 2.5" coupler, no slop at all once seated. Only gripe is I wish they sold these in a bigger pack since they're getting discontinued. Grabbing a few more before they're gone.

Zoe ★★★★☆

These fit the 2.5" couplers snugly and seal well enough that I haven't had any separation issues on the last few flights. Only reason it's not five stars is the price per ring feels a bit steep for what's basically a piece of rubber. Still, I'll be grabbing a few spares before they disappear.