FX My FPS tuning set up

A picture of my set up for tuning

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A picture of my set up for tuning
Interesting..... what do you put in the box as a backstop? I'm using sections of radial tyres at the moment.

Also, what chrono do you use? I find the FX pocket v2 often fails to register over such a short distance (I'm guessing the doppler radar doesn't have enough shot-time), so I recently swapped to an old-school LMBR light-based chrono

Dunk
 
Interesting..... what do you put in the box as a backstop? I'm using sections of radial tyres at the moment.

Also, what chrono do you use? I find the FX pocket v2 often fails to register over such a short distance (I'm guessing the doppler radar doesn't have enough shot-time), so I recently swapped to an old-school LMBR light-based chrono

Dunk
That’s is bags of rubber mulch inside the box. I know with 1000 fps at that range still doesn't even go half way through with .22. And that’s the original fx pocket or mini or whatever and honestly they are very finicky but if you have it dead even with your barrel it will maybe miss 3 out of 150 shots.