After researching the archives I'm undecided. I've only used CCI or Winchester. I can't find any of those for sale but have found ALL BRASS Wolf. Seems like the nickel ones were creating problems. I was thinking of 5,000 to save on the hazmat fee. At $28/1,000 seems like a good price. Should I grab these while they are available? BTW: I will be using these in a smg full auto. Thanks Wanna kill these ads? We can help!