1) If it has Spyder threads, no. If it has Impulse threads, yes. This should be pretty obvious from the giant sticky thread.
2) Don't you think questions about barrels belong in the...um....what's that one forum called....oh yeah...BARRELS forum?
This line is in remembrance of the 2001 terrorist attack on the United States of America, this day of September 11, 2001.
If you're tired of people putting lines in their sigs and trying to get you to put it in yours, don't put this in your sig.
"Accuracy by volume is still accuracy nonetheless."