In 20 years of military service I had one problem with a magazine follower, a black one and thank God it was in a training senario.  The Green ones worked just fine but when I became acquainted with the Magpul Anti-Tilt Follower design I was immediately convinced that they were a superior design.  My question is this; At half the price of the Magpul, the CP Follower looks mighty attractive.  Has anyone had a problem with one of them in terms of quality or function?

No... and for the purists out there who will say it's a ripoff then lets talk about the ENTIRE AR 15 and 1911 sub culture which is what ? A knockoff. I've had issues with Cproduct magazines (proper dimensions) but never with their followers.

You might want to check out this thread: Anti-Tilt Follower Upgrades

PursuitSS

I only buy GI contract mags and have changed all black followers to the orange C-Products anti-tilt followers sold by Cope's Dist. To answer his question - NO problems and even the one Cooper mag I have from the 80's works fine. So Magpul or CP followers is up to You.