MagnetoSpeed V3 Ballistic Chronograph Kit with Hard Case, For Barrels from 0.5in up to 2in Diameter, Fits Over Barrels/Suppressors. The empty foam slots are for spacers installed on the chronograph. I used it a couple times to develop loads for my 6.5 Creedmor and 308 but haven't used it since. $100 OBO Located in Luling, LA.
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