Not at all surprising. .25ACP= .251 diameter bullet. Not a good fit in a .25 rifle bore with .257 groove diameter.
.32ACP bullets at .311-.313" swage down for a tight fit in .30 rifle bore. Such adapters that I have messed with gave tin can accuracy at 300 yards.
Gotcha. More like 25 yards.
"You can lead a man to logic, but you cannot make him think." Joe Harz
"Always certain, often right." Keith McCafferty
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