What in the world is a .223 Wynde?
In 1984 Keith Francis (JGS) and I designed a .223 reamer over the phone. Must have taken about fifteen minutes. That reamer became what is known today as the Wylde .223 reamer. It could be called a match reamer, as it has been used in many match rifles, but to me just another reamer.
I have read many of the opinions and quotes on the internet and enjoy it all. Some opinions and some quotes are not correct.
From my experience, an 80 grain Sierra loaded to approximately 2.475" will touch the lands in my chamber. That round loaded in the NATO chambers I've seen would touch nothing.
I think Bigwheeler crunched the numbers and got it right. Being nothing more than a mechanic, I must use experience.
I've not read all this thread, but must say that you fellows get rather spirited.
It has been a long and cold winter. Forget the arguments and start loading for your particular chambers.
If you want a good match chamber for magazine length 52-55 grain bullets get a .223 Lantz BR from JGS. Ol' Keith and I worked on that one in the 80's and it is a good one.