Was there a .22 semi-automatic that shot shorts, longs and long rifle cartridges interchangeably?
Indeed there was and the Remington Model 550-1 can digest them all.
Witness a Remington 550-1 semi-automatic rifle flawlessly function shorts, longs and long rifle .22 cartridges.
The Remington model 550-1 is not your every ordinary semi-automatic .22 rifle. It has a diet that far exceeds anything any other .22 caliber semi-automatic rifle can function on.
With the use of a floating chamber this tube fed rifle will actually fire .22 short, .22 long and .22 long rifle cartridges interchangeably. This allows you to fire in semi-automatic function all three cartridge selections without making any adjustments to the rifle itself.
Witness this YouTuber Stray03 put a vast array of different .22 cartridges through a Remington 550-1. Listen to the difference in gun report noise and see it is true what this .22 rifle can actually function with.