300 Winchester Brass

once sorted and prepped the Winchester aint bad. ran it side by side with ADG this summer and both ran the same load and 12 reloads later both are still holding up. ADG brass is prepped and sorted nice no extra work just load and shoot
 
They don't make any belted brass. The run of Lapua 300win mag brass that was done years ago was made by Norma to Lapua's specs.
And it was tough strong brass. I have 100 of them and they and RWS were the two best around.
Now there may be some equals. ADG or Peterson if the make 300 Win Mag.
 
Please correct me if I am wrong but I believe that Nosler now make most of their own brass. They bought out Silver State Armory and moved all the equipment to Oregon sometime pre 2017. RWS is another brand that makes 300 Win Mag and i have found their brass to be very good.
 
Broz says RWS is really tough but the thicker brass keeps you from achieving top velocity. I run Bertram brass in my 7mm WSM and I've been pleased so far. I think they make 300 m brass now also.
 
Peterson if you can find some. Reports have been very promising on their brass. Have some for my creedmoor and 300 norma, very nice stuff.
 
My personal experience with Winchester brass for the 300 Win Mag is by the time you perform the quality control on it for Winchester (if they have QC, it is severely lacking by my standards) you end up paying just as much or more for it, as you would for ADG Brass, and you are on the hook for your time to complete that.

All brass prep and inspection should be completed before your weight sort.

You can Expect a minimum 10% loss in cases due to obvious visual physical defects, mostly in the neck and shoulder. (Folds, splits, and globular deformations)

Up to Another 10% loss in the combined area of crooked necks that won't clean up with trimming to minimum length, and weight variation outside a 3 grain tolerance. These cases can be fired, as foulers or spotters, and the necks may clean up on the subsequent trim, so not a total loss.

Case length will vary substantially, but for the most part, within tolerance. Some will be shorter than minimum length. I set these aside and re evaluate after fire forming.
You will need to 100% check case lengths and trim all to minimum length.
You will also need to do 100% flash hole and primer pocket uniform.

After completing all this, my experience is what remains is good brass.


By my standards, ADG Brass just requires visual inspection, case length checking, rounding necks in sizing die, and weight sorting, prior to loading.
My experience with ADG is 100% usability and good brass.
 
Werth, I am long time reloader and gunsmith if that means or holds some credit to what I am going to tell you. when I am loading for precision or hunting I am always loading one of three brass manufacturers, Lapua, Nosler, or Hornady. I have some hyper accurate rifles. my hunting loads go in Nosler and Hornady, my precision target loads go into Nosler and Lapua. my long range hunting loads go into Lapua or Nosler. Nosler is the US equivalent to Lapua brass. there is nothing better you can buy in a USA made piece of brass. I use Nosler for 270 Win, 270 WSM, 300 Win, 22-250, and some of my 375 H&H are Nosler. hornady I have a lot of. Lapua brass is strictly for the big gun, 338 Lapua Magnum. I do have some other LApua brass but I have not seen it in a while. I should look for it. Somewhere I have a bunch of hunting loads for my 270 Win made with Lapua brass. just so your know, Nosler brass is the best I have ever found for consistent weight, neck thickness and uniformity throughout the boxes on the shelf.
 
Some Nosler brass is tough, and some is powder-puff. Depends on the cartridge. So research your cartridge before diving in.

Hornady 375 Ruger brass has proven inconsistent in case head strength for me and additional members.

Lapua is generally good. Their .223 brass seems no better than Lake City, in my experience.
 
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