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Rifles, Reloading, Optics, Equipment
Reloading
300 Win Mag Build and Loading Questions.
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<blockquote data-quote="SMK1000plus" data-source="post: 1150182" data-attributes="member: 93846"><p>Anyone would be hard pressed to disagree with Boots Obermeyer. Where rifles are concerned, or for that matter, on any topic of which he and I have ever spoke, the man is pure genius! I can only tell you that I have a 1 in 12" (actually measures 1 in 12-1/8") twist, 26", stainless, fluted, 4 groove cut rifled barrel. It will shoot bugholes with 180gr Barnes, Bergers and SMKs at 200 yards and stabilizes those bullet out to a 1000, which is as far as I've shot them, but it will not stabilize ANY heavier bullets. That rifle keyholes 190, 195, 200 and 210 grain bullets at 100 yards, no matter has fast I've tried to push them. It's been a hard decision to tear apart a brand new barreled rifle that bugholes at 200 yards but, I'm going to rebarrel that rifle in the next several weeks. A 300 Win Mag really doesn't do anything special until you reach out a good way and then you need the higher BC of the 200+ grain bullets. I typically shoot the 230 and 215 gr Bergers, and the 210 and 240 grain SMKs in my other 300s but, they all have AT LEAST a 1 in 9" twist rate and all shoot typical groups of less than 3/4 MOA.</p><p></p><p>I don't know what bullet or weight you choose and changing Boot's mind probably isn't going to happen at this point but, I would at least ask him to keep the options open for shooting the 215 or 230 grain Berger Hybrids. Berger's site has an excellent twist rate/stability calculator. You should try it!</p></blockquote><p></p>
[QUOTE="SMK1000plus, post: 1150182, member: 93846"] Anyone would be hard pressed to disagree with Boots Obermeyer. Where rifles are concerned, or for that matter, on any topic of which he and I have ever spoke, the man is pure genius! I can only tell you that I have a 1 in 12" (actually measures 1 in 12-1/8") twist, 26", stainless, fluted, 4 groove cut rifled barrel. It will shoot bugholes with 180gr Barnes, Bergers and SMKs at 200 yards and stabilizes those bullet out to a 1000, which is as far as I've shot them, but it will not stabilize ANY heavier bullets. That rifle keyholes 190, 195, 200 and 210 grain bullets at 100 yards, no matter has fast I've tried to push them. It's been a hard decision to tear apart a brand new barreled rifle that bugholes at 200 yards but, I'm going to rebarrel that rifle in the next several weeks. A 300 Win Mag really doesn't do anything special until you reach out a good way and then you need the higher BC of the 200+ grain bullets. I typically shoot the 230 and 215 gr Bergers, and the 210 and 240 grain SMKs in my other 300s but, they all have AT LEAST a 1 in 9" twist rate and all shoot typical groups of less than 3/4 MOA. I don't know what bullet or weight you choose and changing Boot's mind probably isn't going to happen at this point but, I would at least ask him to keep the options open for shooting the 215 or 230 grain Berger Hybrids. Berger's site has an excellent twist rate/stability calculator. You should try it! [/QUOTE]
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300 Win Mag Build and Loading Questions.
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