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After almost three months of no trigger time I finally got to go shooting
Having about 40 loads to chrono (yes, really), and NOT wanting an early demise for my 3rd chrono, I came up with the ridiculous
Some actual thought went into this: Protect the chrono from up-to hot 10mm loads; Small / portable / under 10lbs; Couldn't be reactive.
A scrap piece of AR500 steel would have done the trick, but hitting it from 10' wasn't something I was interested in trying.
Stopbox
4 layers of 13-ply Baltic birch, loose framing nails, and a couple of bricks.
Of course, it had to be tested
10mm 180gr @ 1,250, and a 155XTP around 1,350.
Both loads I'd consider 'warm', and while they went cleanly through the plywood, they stopped fairly shallow into the nails.
For a kludged together idea it worked pretty well
The other component is the chrono's Digital Link - This worked perfectly.
Easy to read output on a tablet.
Name a string (ex: 10mm 155XTP XX.Xgr Powder) and start shooting - Later you can export your strings in CSV format for spreadsheet use, or a .pdf.
<broken link removed>
Perfect weather, beautiful day, and I DIDN'T shoot my chrono
Next time out I'm out I think I'll hit the box with a .308
Having about 40 loads to chrono (yes, really), and NOT wanting an early demise for my 3rd chrono, I came up with the ridiculous
Some actual thought went into this: Protect the chrono from up-to hot 10mm loads; Small / portable / under 10lbs; Couldn't be reactive.
A scrap piece of AR500 steel would have done the trick, but hitting it from 10' wasn't something I was interested in trying.
Stopbox
4 layers of 13-ply Baltic birch, loose framing nails, and a couple of bricks.
Of course, it had to be tested
10mm 180gr @ 1,250, and a 155XTP around 1,350.
Both loads I'd consider 'warm', and while they went cleanly through the plywood, they stopped fairly shallow into the nails.
For a kludged together idea it worked pretty well
The other component is the chrono's Digital Link - This worked perfectly.
Easy to read output on a tablet.
Name a string (ex: 10mm 155XTP XX.Xgr Powder) and start shooting - Later you can export your strings in CSV format for spreadsheet use, or a .pdf.
<broken link removed>
Perfect weather, beautiful day, and I DIDN'T shoot my chrono
Next time out I'm out I think I'll hit the box with a .308