AeroTech RMS-38/720 モーターハードウェア完全セット - 3872M

The aluminum case threads on smoothly and feels solid enough to survive a hard landing. Everything in the set fits together without any slop, which makes reloading way less stressful at the field.

The forward seal disc seats perfectly every time and I've had zero blow-by after six flights on the 720 reloads. Tearing the whole set down for cleaning is easy since the closures come apart without a fight. Solid machining for the price.

The aluminum case threads are machined perfectly—everything screws together snug with no wobble, and the forward closure seats cleanly every time. I've run three reloads through it so far and the hardware still looks brand new. This set is exactly what I needed to start flying 38mm high power.