Is there ANY benefit to using 221 brass?

[Flewis]

Originally Posted by kware

My 2 cents. I have formed two hundred cases from new 221 cases using Redding dies. By sizing them to .27 and then .30, I've have not split any cases. The thinner neck so far has not been a issue in by M1S upper. In fact the thinner neck is showing slightly less pressure with same loads made with .223 brass.
Agreed, it is more expensive.

Same story here... never split a case.

But I do prefer using .223 because it is less expensive and I get much more concentric necks.

[mooster1223]

My "Ranger Dave" brass showed up today UPS. Thanks Dave. Looks good, not once fired but will still be fuctional. All I need now is my upper .

Jim