338 bullets

[nvbroncrider]

So today I was sorting through all the bullets I bought from Fotis and weighing them just for the heck of it. It was quite interesting. I had some Barnes Hornady Sierra and Noslers in there. The only bullets I found that were close to spec was the Sierra and Noslers. With both having very similar distributions. The hornady bullets had more distribution in them but the Barnes were very disappointing. Only one out of 32 weighed the 250 and the spread was 2.6 grains. Hornadies were tighter in the spread but still over a 2 grains the Sierra's were about the same as the Noslers with the exception of the 210 Partition. I may have had 2 different lots. Both Sierra's and Noslers had 90% or better fall in .5 grain of the noted weight. With 4 or 5 being outliers. Of noting was the 225 AB with 47/50 within half grain broke down as follows. 1 @ 224.5 7 @ 224.7 16 @ 224.8 5 @ 224.9 12 @ 225 7 @ 225.1 1 @ 225.2 and 1 @ 225.3. Pretty impressive I think.

 

[SJB358]

Man, you did some weighing.. I have grouped some of my heavier stuff Jake and it seems to fall out about the same as what you got. I don't really shoot much other than Nosler stuff for the most part, in the heavies, so I haven't weighed much else, but it nice to know that for the most part, the Noslers are running pretty tight.

 

[BK]

Damn, bored today?

 

[nvbroncrider]

Damn, bored today?

Yes Kurt. Don't want to load anything for the 280AI until I get my new firing pin. Cause if I did I would shoot it. Couldn't shoot today as little brother is working nights and was sleeping. At least tomorrow after I get my truck outta the shop I can go fishing, or weigh more bullets.

 

[Oldtrader3]

I have found in my experiments that the .338 and larger bullets have a greater weight distribution than smaller bullets do, as well. The Nosler .338 Partition and Accubonds also have a bimodal range in most lots which I have weighed and I still do not know what might cause that distribution characteristic, except operator set up maybe? With the the forward ogive on the the Nosler bullets, small differences in OAL make big weight differences. This is why I started weighing .338 and .375 bullets because I found much wider distributions than with the smaller bore bullets.

One of these days, when I am in Bend, Oregon, I will have to go by the plant and see if I can get a tour while they are actually making bullets. That would probably give me some insight into the differences that I am seeing without the benefit of process viewing and comparison while running these numbers having actually having seen the benefit of the production Quality Plan in action making real bullets.