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Rifles, Reloading, Optics, Equipment
Reloading
338 edge
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<blockquote data-quote="Long Time Long Ranger" data-source="post: 383396" data-attributes="member: 505"><p>Depends on how far you hunt but inside of 1200 yards I like your 300. In my opinion I would not change your 300 over to the 338-300. I would spend that money on some 177 grain .638 or so bc HS bullets or one of the other similar ones. I think Rocky Mountain bullets has a similar one. In a 30" barrel you can push that bullet near 3500 fps. Run the numbers on that and I think you will really like your 300 ultramag. The HS bullets are quality monometal big game bullets that will not deform and blow apart. That can not be said for the 300 smk. On occasion there are problems with it. That is why sierra continues to say it is a target bullet and not a hunting bullet although it performs better than many hunting bullets. </p><p></p><p>The 338 ultramag will do anything the 338-300 will. All the 338's in that range are so similar individual barrels could make one faster than the other. Slightly more case capacity with the 338-300 will give you a slight velocity gain on average but less than 75 fps with what I have seen. Most were closer than that. Just not enough difference to make any difference. You must consider that you can seat the bullet out further in the shorter 338 ultra allowing for more powder so it averages out to not be that much difference. Both are equally accurate. The 338 ultra will feed through your 300 action better with long 300's seated. 338 ultra loading components are cheaper and easier to load for. No one shot wasted for fireforming. No ruined necks from sizing up from 308 to 338. When I can get basically the same performance easier and cheaper I go with it. That is why I quit fooling with the 338-300 in late 2001. Just not enough difference to be worth the effort. If velocity is important to a guy the ultramags are not where they should be looking anyway. Step up to a bigger case. I shoot 132 grains of powder in my 338-378 to get about 200 fps more than the ultramags so you can see the 6 or so grains of powder you can get in the 338-300 over the 338 ultramag is just not going to make much difference.</p></blockquote><p></p>
[QUOTE="Long Time Long Ranger, post: 383396, member: 505"] Depends on how far you hunt but inside of 1200 yards I like your 300. In my opinion I would not change your 300 over to the 338-300. I would spend that money on some 177 grain .638 or so bc HS bullets or one of the other similar ones. I think Rocky Mountain bullets has a similar one. In a 30" barrel you can push that bullet near 3500 fps. Run the numbers on that and I think you will really like your 300 ultramag. The HS bullets are quality monometal big game bullets that will not deform and blow apart. That can not be said for the 300 smk. On occasion there are problems with it. That is why sierra continues to say it is a target bullet and not a hunting bullet although it performs better than many hunting bullets. The 338 ultramag will do anything the 338-300 will. All the 338's in that range are so similar individual barrels could make one faster than the other. Slightly more case capacity with the 338-300 will give you a slight velocity gain on average but less than 75 fps with what I have seen. Most were closer than that. Just not enough difference to make any difference. You must consider that you can seat the bullet out further in the shorter 338 ultra allowing for more powder so it averages out to not be that much difference. Both are equally accurate. The 338 ultra will feed through your 300 action better with long 300's seated. 338 ultra loading components are cheaper and easier to load for. No one shot wasted for fireforming. No ruined necks from sizing up from 308 to 338. When I can get basically the same performance easier and cheaper I go with it. That is why I quit fooling with the 338-300 in late 2001. Just not enough difference to be worth the effort. If velocity is important to a guy the ultramags are not where they should be looking anyway. Step up to a bigger case. I shoot 132 grains of powder in my 338-378 to get about 200 fps more than the ultramags so you can see the 6 or so grains of powder you can get in the 338-300 over the 338 ultramag is just not going to make much difference. [/QUOTE]
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