460 Speed Loader

[Imissedagain]

Has anyone used the 5 Star Firearms, speed loaders?
Good, bad, or any comments.
Picture is one for a 460 Smith.
If I'd have to use one in the field, best to have a long Bowie, at hand.

 

[Swiftflyer]

Never really had much use for it but it does work just fine.