Has anyone tried this new technology chronograph ? It uses a magnetic field sensor instead of photo sensors. I have been reading good reviews on it. Terry Cross of KMW is also reviewing it. The only issue that I see is that I could not use my suppressor with the current way that it mounts.
http://www.magnetospeed.com/products/magnetospeed-v1-ballistic-chronograph
http://www.magnetospeed.com/products/magnetospeed-v1-ballistic-chronograph