i just had a new barrel installed on my rem 700. no big deal there, except the nightmare of the process from the gunsmith i chose. anyway, i am curious if there is more than one angle that they cut into the rifling (to ease the bullet into the rifling), or if it s a standard one set degree (angle). the reasoning for my question is i wonder if it would lower pressure, or make a difference in life of the throat / bullet speed / and or accuracy. i have read that a longer leade (like weatherby rifles) will lower pressure and increase bullet speed, but i am not sure about accuracy. i know, it probably hardly makes any difference. but i am curious about it.