الإغلاق الخلفي للمحرك AeroTech RMS-29/40-120 - 910811

Threaded perfectly onto my motor case with no binding at all, and the aluminum feels very solid. The sealing surface was clean and smooth right out of the package. My reload fit snug and secure for a great flight.

The machining on this aluminum aft closure is precise and clean, fitting perfectly into the motor case without any binding. I've used it for a few launches now and it seals reliably every time, which gives me confidence on the pad.

The threading on this aft closure is precise and it screws onto the case without any binding. Got it for my 29/40-120 hardware set and it seals perfectly with the o-ring. Solid piece of machining for the price.