It is a shell for a shotgun that has less power than a standard shotshell, and produces less recoil, or "kick".
Fast bullets and low recoil is the good point. Low damage though.
That will depend on what you consider "low recoil"
you will have to do a web search on 44 shotshell ammunition.
The quick answer is a .410 bore - but there are relatively low recoil 12 ga. guns as well. Browning made a "recoiless" trap gun which almost is recoiless. In general, a gas-operated semi-auto will have less recoil, and in some cases this can be combined with a recoil-absorbing stock.
shotshell
Recoil is when the gun kicks from the cycling of the bolt or slide when ejecting spent cartridges.
A shotshell.
The recoil of the rifle bruised her shoulder.The recoil sent him flying backwards.
You should be ok making that switch unless it was a low budget fixed power scope make specifically for low recoil firearms.
The prefix of "recoil" is "re-".
You can never stop recoil. You can reduce the felt effects, but, the recoil will still be there.
The best gun that is fully ato and almost no recoil is the AK-74 with silencer and if you use over kill with 50.CAL claymores and iron lungs AK-74 silencer