A3854, Adapter Assembly, 38-54mm

Adapter Assembly, 38-54mm Features include: Completely assembled and ready to use! Precision Machined and Type II Black Anodized 6061-T6 Aluminum A3854 Fits 38mm Motors to Rockets with 54mm Retainers No Need To Buy a Separate Motor Retainer Everything Slides In & Out Easily with No Friction Fitting Adapter and Motor Install in Seconds Motor is Retained from Moving Forward or Backward (Aeropack)