I will also soon have a Novak magazine to try as i have a used RIA in layaway with a Novak magazine.
Just so you are aware, Novak magazines are made by ACT of Italy...Novak just affixes his name to them. These same identical ACT magazines used to come standard with Nighthawk Custom 1911s, in fact mine came with two. About a year ago Nighthawk discontinued their use and moved to a different manufacturer as they were having to constantly replace them under their lifetime warranty for split or cracking lips. They had unending complaints about the magazines from customers who just spent upwards of $3,000 for a 1911 and were not happy. The guns were and are superb, but they were being overshadowed by all the magazine issues. The only FTEs I have ever had with my Nighthawk occurred with the ACT mags that came with the gun. Switching to Wilson ETMs and Check-Mate magazines (both stainless steel) solved the problem immediately (both manufacturer's magazines have performed flawlessly). I have not had an FTE or FTF since I made the switch over a year ago.
Regardless of the quality of your gun, your weakest link is generally the magazine. Do yourself a favor and carefully track and mark the magazine that fails on you, even if it fails only once. Then take it apart, clean it and lightly oil the spring. If it happens again...toss it in the trash and continue tracking the remaining magazines until you have only completely reliable magazines in your possession......Just my humble opinion FWIW.