RayH wrote on Sep 12
th, 2016 at 2:45pm:
Can these scores be fairly compared to ASSRA?
RAY:
They were fired under much different conditions. ASSRA 200 yd would be like we used to shoot at FR&G, bench, unlimited sighters, unlimited time. GLENN's shoot was from prone, mostly with X-sticks or some other front rest. Serious wind and mirage, as it was later in the afternoon. The bullet hole images would fade out and come back. Quite difficult. I think it was pretty good shooting given the conditions.
At our FR&G shoot at 200 yd many years ago, the late Buddy Streat shot 5-shot groups under 1" two years in a row. I have one of the targets, ca 0.80", and documentation, which I am going to try to get recognized as an ASSRA record, in Buddy's memory.
So, I think that good ASSRA bench guys could do a lot better than we did at GLENN's match, which was staged on a regular hi-power range. Best 5-shot I have made at 200 was about 1.6", many years ago with some of the old ELEY Benchrest Gold, which hasn't been made for about 20 years.
My opinion, FWIW, is that the only advantage of the high-dollar ammo is lower vertical dispersion, presumably owing to more uniform velocity. The weather effects begin to come in pretty strongly, and overwhelm the extra accuracy. As a practical statistician, I recognize that errors of this sort add as sum of squares, so it is easy to see why this happens. Great ammo is absolutely required at 50 yd, nice at 100 yd, but probably not useful at 200, unless you can REALLY dope the wind, both horizontal and vertical effects.
I'm looking fwd to trying this again next year.
CHRIS
RGChristensen
PS: Hope you can come and play with us again next month!