Before going to all the trouble of changing the gun, and maybe risking a loss of reliability, make sure you are using the best of techniques for racking the slide.
Most folks I see at the range don't, and struggle with their smaller autos.
Do a web search and youtube search on the subject to find out how.
Walt Kelly, alias Pogo, sez:
“Don't take life so serious, son, it ain't nohow permanent.”