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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
300WM case life
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<blockquote data-quote="Austin" data-source="post: 30694" data-attributes="member: 1956"><p>Jhuskey makes some good points above. It IS incosistent to an extent and I have noticed large ES's. Even with culled brass and bullets. Especially number 7. That one hits home all too hard. I learned this lesson the hard way. It took me three months to figger this one out and now I neck size in batches and the loads have been VERY consistent. I also began sizing the neck to where I leave approx. .010 of the base unsized. This has helped in aligned the pill a little more evenly with the bore. It's a tough load to develop, but Howa (Weatherby) seems to have the most consistently accurate 300WM I have yet to own. The only problem has been free-bore, which we all know is excessive in Weatherby/Howa's. It is a VERY picky cal. It will shoot sub MOA groups with Win West. brass, a 200gr. Sierra MatchKing, 82grs. 872, a Fed. 215 primer, with the bullet seated .002" off the lands. and groups open WAY up if any one of these elements is deviated from. I have to start all over when I get a new batch of any of these elements as well. All in all, if you have the patience, time, and money, it's an AWESOME long range round. Thus far, I have had the absolute best luck with WW brass (Ni plate to be exact). My first task would be to find the optimal seating depth for each bullet you plan to shoot and work from there. VERY picky caliber. Best of luck to you. If you run into problems, let us know, that's what we are all here for. To help each other and spread the knowledge in the world of the shooting sports. Good luck bro.</p><p></p><p>TH</p><p></p><p></p><p>On another note: I have pushed the WW Ni plate brass to 15 loadings before seeing signs of impending case/head seps. This was using a rail gun with a remote trigger. Neck sizing only was used. The Lapua brass, I pushed in the same way and got about 11 loadings. The loads were ALL average and moderate using 82grs. 872, Fed 215 primer,a nd a 200gr SMK bullet seated to .002" off the lands. The one case that I DID use and abuse saw about 11 reloadings before impending signs of separation with the WW brass. 9 loads using the Lapua brass.</p><p></p><p>TH</p><p></p><p>[ 01-20-2004: Message edited by: Austin ]</p><p></p><p>[ 01-20-2004: Message edited by: Austin ]</p><p></p><p>[ 01-20-2004: Message edited by: Austin ]</p></blockquote><p></p>
[QUOTE="Austin, post: 30694, member: 1956"] Jhuskey makes some good points above. It IS incosistent to an extent and I have noticed large ES's. Even with culled brass and bullets. Especially number 7. That one hits home all too hard. I learned this lesson the hard way. It took me three months to figger this one out and now I neck size in batches and the loads have been VERY consistent. I also began sizing the neck to where I leave approx. .010 of the base unsized. This has helped in aligned the pill a little more evenly with the bore. It's a tough load to develop, but Howa (Weatherby) seems to have the most consistently accurate 300WM I have yet to own. The only problem has been free-bore, which we all know is excessive in Weatherby/Howa's. It is a VERY picky cal. It will shoot sub MOA groups with Win West. brass, a 200gr. Sierra MatchKing, 82grs. 872, a Fed. 215 primer, with the bullet seated .002" off the lands. and groups open WAY up if any one of these elements is deviated from. I have to start all over when I get a new batch of any of these elements as well. All in all, if you have the patience, time, and money, it's an AWESOME long range round. Thus far, I have had the absolute best luck with WW brass (Ni plate to be exact). My first task would be to find the optimal seating depth for each bullet you plan to shoot and work from there. VERY picky caliber. Best of luck to you. If you run into problems, let us know, that's what we are all here for. To help each other and spread the knowledge in the world of the shooting sports. Good luck bro. TH On another note: I have pushed the WW Ni plate brass to 15 loadings before seeing signs of impending case/head seps. This was using a rail gun with a remote trigger. Neck sizing only was used. The Lapua brass, I pushed in the same way and got about 11 loadings. The loads were ALL average and moderate using 82grs. 872, Fed 215 primer,a nd a 200gr SMK bullet seated to .002" off the lands. The one case that I DID use and abuse saw about 11 reloadings before impending signs of separation with the WW brass. 9 loads using the Lapua brass. TH [ 01-20-2004: Message edited by: Austin ] [ 01-20-2004: Message edited by: Austin ] [ 01-20-2004: Message edited by: Austin ] [/QUOTE]
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