Dude, thats an awesome project.
I've got a question, whats the twist rate on the barrel?
Have you had any problems shooting the vastly different bullet weights out of the same barrel?
-"Those who would sacrifice a little Liberty for more Safety, deserve neither Liberty nor Safety." -Benjamin Franklin
-"If Tyranny and Oppression come to this land, it will be in the guise of fighting a foreign enemy." -James Madison
"Violent videogames don't make kids violent. Hard games do."