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Posted

Still using a pro-chrono sometimes. I do have a Lab-Radar and a Garmin C1. The Garmin is my favorite for sure. With the right adapter it can be mounted to the rifle as save a lot of grief.  Whatta Hobby!

 

 

Garmin 1.jpg

Garmin rail 1.jpg

Garmin rail 2.jpg

Garmin rail.jpg

Garmin rail 3.jpg

Posted

The thing I dislike about a shoot through is the set-up time. Frankly it's a PITA. I have skyscreens and IR emitters and of those the IR works best since it's not dependent on the sun. Mine is old, 25 - 30 years old.

I have a LabRadar which is much better for most things. Easier setup, dependent on nothing more that cells to power it and it has 2 options for that, AAs and a power bank. And it, and probably also the Garmin type (there are a few now) can be used in any sort of weather. Just cover the unit with a poly bag and they're weatherproof. 

My shoot through can measure velocity above 4k fps and yes I need that. I have a .17 Remington that I've pushed to over 4250 fps and I could have gotten more from it. I had to back the velocity down to 4060fps because the bullets were coming apart before the 100 yard target. That's why I hold onto the shoot through unit. Other than that it's just a PITA.

Both types though, the shoot through and the radar units allow both velocity collection and shooting groups simultaneously. There's another one, I don't remember the name, magneto something maybe? That clamps onto the barrel and has the potential to screw up barrel harmonics so I've always considered it something for velocity data collection only. Shoot again w/o the unit affixed for precision. Phooey on that! But they're relatively inexpensive last I checked. Are they even still made?

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