09-28-2013, 03:24 AM
For those distances over 600yds, I prefer to use the G7 drag model for BC's, but you can also use the doppler radar data for the Scenar from Lapua with Quick Target Unlimited. Brian Litz does evaluated BC figures for many popular bullets, and I think he had the 123gr 6.5mm Scenar in the .52-ish range.
Lapua just released their radar data on the new Scenar-L series of 6.5mm bullets, and I noticed that they have the 123gr Scenar listed at .527 G1 BC, .263 G7 BC.
They have a new 120gr Scenar-L, and 136gr Scenar-L for the 6.5mm offerings. I have samples of the 120gr Scenar-L. They're using a more stringent manufacturing process to control jacket construction and jacket-core concentricity, as well as core alloy construction and uniformity.
Lapua just released their radar data on the new Scenar-L series of 6.5mm bullets, and I noticed that they have the 123gr Scenar listed at .527 G1 BC, .263 G7 BC.
They have a new 120gr Scenar-L, and 136gr Scenar-L for the 6.5mm offerings. I have samples of the 120gr Scenar-L. They're using a more stringent manufacturing process to control jacket construction and jacket-core concentricity, as well as core alloy construction and uniformity.