I have Benelli M3 (auto/pump) if I'm using #6 or #7 or #8 shot size with 11/8ozs and 31/4 dram equiv it will not recycle my gun in auto mode, I have to used either #4 shot with 33/4 dram or 00 buck the gun will work fine if I change reduce recoil spring do you think it will work for light load?, thank you very much