I have a V4 and it has been great, no issues. I don't use it as much as my S&W, but mainly due to the Smith was already broken in and ran great. If I ever wear the Smith out, the DD will see some serious use. I cannot say one bad thing about them.
" The strongest reason for the people to retain the right to
keep and bear arms is, as a last resort, to protect
themselves against tyranny in Government...." - Thomas Jefferson