The only option I see is for a CO2 type rifle. I know Crosman makes one with a wheel in a clip that allows 12 shots.
RepeatAir 1077 (.177) http://www.crosman.com/airguns/rifles/co2/1077
I have one and it's been a great shooter.
Spent brass to me is like the ring to Gollum "We wants it, we needs it. Must have the precious"