Let’s talk chronographs.

[Ewaragnar]

I got this one: https://www.ebay.com/itm/Aiming-sig...133497?hash=item4b5c8a9639:g:~e4AAOSw10VcU490
These guys make one too:

Chronographs & Accessories Archives

COMING SOON magnetospeed chronographs, magnetospeed mounts, and package deals. T1000 Hit Indicators coming soon. The Magnetospeed is a great chronograph, but can cause a POI, or Point of Impact changes. Our mount foregoes features a large range of adjustment to work with silencers and muzzlebrakes.

mkmachining.com

Thanks - ordered one!

 

[rayporter]

i have used a T square to aim it. seen several guys use a tube from a ball point pen.

 

[Wedgie]

Had the busy range~false trip/read issue with my Labradar until I bought a recoil activated trigger. Now, despite a series of full benches each side of mine I get 100% true reads for every shot fm my gun.
here is where I got it from: https://pietrecoiltrigger.com