With the JKPrecision trigger. It eliminated missed shots. Keep in mind that you will have to adjust the triggers sensitivity in the set up. Also, I use the labRadar battery packs. They last forever, I have noticed a drop in the SNR reading when the battery pack reaches 50% of it's capacity. I found an old AT&T Samsung Galaxy S7 phone, It seems to work fine with the labRadar and My Sartorius Entris II BCE223i Auto trickler V3 set as well.
I shoot on three different Ranges and I find that the Labradar prefers an open area. On my pistil range at home, I am shooting from an open area into a berm just inside of a tree line. When I first received my LabRadar, I tried it out with my 1911 and the LabRadar rebooted it's self, " Several Times" LOL.
I have to say, that there was a big learning curve involved with the LabRadar, compared to our old Caldwell
chrono. But after several phone calls to Richard over a BuymyLabRadar.com, and acquiring the external triggers, it is working great. Well, it was always working as it should, but I didn't know what I was doing.

As far as the Magneto speed, I have never used one and can not comment on it personally. All I know is,, I don't want anything interfering with my Barrel Harmonics, That would be counter productive, with components being hard to come by.