I have a Barrett m99 50bmg with a Leupold mk4 6.5-20 and thinkin of puttin the bors on it. Have any of you used this system and if so opinions on it.
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Much more sophisticated alternatives exist.BORS system way too outdated and not compatible with many new excellent scopes.
If you rely on electronics without knowing how to do the calculations on your own, you're setting yourself up for failure. Get yourself a data book and the FDAC cards so you can begin learning what works for you. Learning how to read mirage and make wind calls is crucial for accurate shot placement, with or without the aid of electronics.