Seriously, forget the top load, or stripper clip stuff of 70 years ago or what Cooper preached 30 years ago.
The AICS mag fed rifles of modern tactical & sniper competition pretty much rule in capacity or speed in reloading.
Can you get set up with them using a Springfield? To me the 03A3 follower was the worst in WWII. The 03 bottom metal was great. I would be happy to upgrade my 03A3 to a AICS system.