It shoots well enough that I just ordered my 5th crate of it. The first 2 crates were OK, shot fine but tarnished/corroded looking a bit. [case only, not the bullet] It seems it is more a reaction then what I consider actual corrosion where the case is actually affected. Regardless, I was a bit leery but the rest was very good and I ordered another case that was in fantastic shape. Ordered another one today.
I'd STILL trust it a heck of a lot more the the 193PD junk that they sell. At least it does not look like a dump truck drove over half of it, and leprechans took hammers to the rest.
Like others have said, you might be waiting a long time before you find any more surplus 5.56 193spec offered for sale. [Then again, you never know]
One never know what will happen tomorrow with surplus, govt regs, and UN interference. While I can hope for the best, I'd prefer to prepare for the worst. If it never comes, that'd please me immensely.