re: the taller stack, as previously stated, Im sure it would affect your draw, but not neccesaserly in a bad way (wow I really butchered the spelling there)..Im guessing Mr. Klose would be able to give you an exact answer !
"I love my country, I love my guns, I love my family, I love the way it is now. And anybody that tries to change it, has to come through me. That should be all of our attitudes.
Cause this is America and a country boy is good enough for me, son."
- Charlie Daniels