400NitroExpress

Very well put.

I agree with your comment
"I'm entirely ambivalent about the other common types.
Not to be contrarian, but I think I've probably seen more double guns with Greener cross-bolts
off-face than those with any other type of third fastener."

I was also going to make this comment abot Greener Cross Bolts
but decided to keep it simple but I am also very ambivalent about Greener Cross Bolts.

500 Nitro