Has anyone really reached published velocities?

I am maxing out at 3256 with 180 gr Swift Aframe with 98 gr of Retumbo and this is with a shilen match @ 28 inches. These loads were chronaghraphed while I was breaking in the barrel currently at 10 shots.

I'd try Reloader 25 with the 180, or perhaps even better, N570.

N570 gave me the best accuracy with my rifle with 200grain projectiles, but not chronographed....but I reached a safe maximum load as per the VihtaVuori manual. It is a double based 'high energy' powder and they do tend to give higher velocities than their normal powders.......

They list a powder charge of 100.9grains as maximum for their 185 Scenar bullet (match hollow point) for a velocity of 3356fps.........

Blair, I can't get N570 in the states. Is it a large grain powder? AIU

Not as large as say IMR 7828, AIU.

I've seen it advertised in Precision Shooter?........Bruno's; I think.........

Same burn rate as Retumbo, just more energy and better accuracy.

quote:

Originally posted by Dark Templer:
Has anyone really reached published velocities?

I am maxing out at 3256 with 180 gr Swift Aframe with 98 gr of Retumbo and this is with a shilen match @ 28 inches. These loads were chronaghraphed while I was breaking in the barrel currently at 10 shots.

Well a 180 grain bullet going 3200 fps is going to kill pretty much anything it hits inside of 1000 yards.

I also have a 28" Shilen Match bbl on mine. Shilen did the work. I've read that Shilen bores are a little tighter so you may not get published max powder charges b4 you start to see pressure signs.

I'm shooting 89.0 Re25 with a 200 grain bullet and trajectory is impressive. Don't know velocity. I may try to find some N570 and try it.

Look at Powder Valley for your VV stuff. Great guys!

Thanks Fish

I use H1000 for my 300 RUM and I get 3266 fps with 180 scirocco bullets and 3220 fps with 180 noslers. I use 96 grs.

H1000(2217 in Oz) worked very well in mine with 168 TSX's but RE-25 just shaded it for accuracy..........