Yah ive never been able to reuse the orange discs.

Ive had mine for 5 yrs and have always shot 150 grains of pyrodex then switched to triple 777. I shoot with a leuopold scope on mine, and tear it up at 200 yds.
It says in the manual not to shoot over 100 grns. but the "experts" that sold it too me and others ive talked to also shoot 150 grains. And like i said ive been shooting it now for 5 yrs with no problems.
Tear the bolt down when you clean it. the worst spot they corrode is where the disc sits.