Marlin Dual Case Comparison
Actual failure Rates are never cited

Has anyone ever had problems with any of the adapters on the market, and what were the problems.

Marlin switched from the MC05 (Listed as aa)
to the MC07 (listed as his) for some reason.

Let us know what your experience has been !!
Not about servoce but unit failures.

Is his comparison chart factual when it comes to strength and who offers 21 vs 23 spline units ?