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338 Edge bullet for elk

 
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  #8  
Old 04-20-2011, 12:17 PM
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Re: 338 Edge bullet for elk

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Originally Posted by sp6x6 View Post
MT Rifleman, I ran the #'s on 285 vs 300 and I dont recall my velocity on 285, for my norma. Think I tried 2800, guessing vs. 2725 for 300 hyb. that I HAVE SHOT.What do you think would be realistic 285 accuracy velocity? Anyway Steve on this site shoots a 300-338 lapu I,with that 177 HVGS bullet at 3680 vel., I had a BC of .638, thought I pulled it of there site, which is hard to navigate. The #'s on my 285 vs 300, where about same mil drops out to 1200, with 285 about 200 less E across the board.
Are you asking about the Cutting Edge 275? I wouldn't have a clue what the accuracy velocity will be. Probably different in every rilfe and load. I know I was getting good accuracy at max velocity of about 3470 or so with the CE .308 180's compared to my velocity of about 3400-3420 with the 180 E-Tips. I've been seeing the GS 177's get to about 3550. Accuracy hasn't been the best, but my Sendero has been acting up a bit. My usual sub .5 MOA load with the 180 E-Tips has been shooting about 1.25 MOA last couple of times out. Last time out, I shot a .39 group (with one fouler flier) with the CE bullets right after shooting a 1.25 group with the E-Tips. I followed that up with 2 groups with the GS 177's that measured about the same as the E-Tips. Like I said, the accuracy results are not IMO conclusive at this point, especially shooting one type of bullet on top of another type.

I know if I had a .338, I would be looking at both the CE 275 and the new GS offering coming out soon.
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  #9  
Old 04-20-2011, 01:25 PM
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Re: 338 Edge bullet for elk

I really didn't want to get into the custom bullet realm since it might become a little cost prohibitive to shoot.

Those Hornady Interbonds sound pretty appealing. I might just end up using the standby SMK too. I shot a cow last year with it in my big heavy Edge at 540 yards or so and it knocked her on her butt pretty hard.
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  #10  
Old 04-20-2011, 01:57 PM
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Re: 338 Edge bullet for elk

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Originally Posted by buckbrush View Post
I really didn't want to get into the custom bullet realm since it might become a little cost prohibitive to shoot.

Those Hornady Interbonds sound pretty appealing. I might just end up using the standby SMK too. I shot a cow last year with it in my big heavy Edge at 540 yards or so and it knocked her on her butt pretty hard.
The GS bullets are quite costly, but if their advertised ballistic advantage (BC and Velocity) is true they can theoretically increase your max effective range by close to 50% and increase closer range overall effectivens with greater velocities, KE Momentum, less windage, less drop, less TOF.

Comparing the 300 gr Hybrid with a BC of .82 with an MV of 2850 vs the GS 177 with a BC of .62 and MV of 3550, the 177 wins in every category except wind @ 1000 yds.

5000' elev

Drop 20.5/14.75 MOA
Vel 1953/2251 fps
KE 1524/1938
Mom 50.22/56.15
10 mph wind 38.8"/40.0"
TOF 1.27/1.07 sec

1800 fps distance, 1175 yds/1375 yds (the GS expands down to 1600 fps)

The CE bullets at half the price don't seem to be far behind the GS bullets.

I figure if I go with the GS bullets, I'll only use them for hunting and occasional proficiency and drop checking. For other shooting, I'll use another load, and/or another rifle.

Last edited by MontanaRifleman; 04-21-2011 at 07:21 AM.
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  #11  
Old 04-21-2011, 12:05 AM
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Re: 338 Edge bullet for elk

MTRIFLEMAN,
I JUST RECIEVED MY SHIPMENT OF GS 177, i too love the velocity and the ballistics. however, this bullet only shoots well against the lans, we have not had good luck off the lans. my gunsmith is shortening throat for me currently. also the 338 bullet i think will be in the 250 grain arena.
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  #12  
Old 04-21-2011, 12:44 AM
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Re: 338 Edge bullet for elk

Keep us informed on the new cutting edge and GS bullets. I have a couple 28" 300 RUM's that are extremely accurate and have made kills over 1000 yards with the 208 Amax at 3210 fps. But over 3500 fps sounds pretty good.

As far as long range elk with the 338-300 RUM it is a wash to me between the 225 AB and the 300 SMK. If you are going to shoot elk beyond 1000 yards with it then the 300 grainers are the way to go. But the cartridge is best suited shooting the 225 AB inside of 1000 yards. To shoot the 300 grain bullet at elk beyond 1000 yards there are better choices in 338 for that purpose. So in my opinion it leaves the 338-300 RUM best suited shooting lighter and flatter shooting bullets inside 1000 yards. It will kill an elk at 1200 or so yards with the 300 grainers but there are several faster 338's better suited for that purpose.You could kill an elk at a mile with one just to say you did it but there are much better choices. Just run the ballistics with the 300 grainers at 3100 fps vs 2800 fps and you will see what I mean. I have been doing this a long time and we had this figured out many years ago. The introduction of the 300 smk in the late 90's just made the big guns even better at super long range.

The problem is as you get to the max effective range of this cartridge either bullet gets there and kills the elk. If a guy is going to shoot at elk at 1200 or so yards he is best suited with a cartridge that can push the 300 grainers beyond 3000 fps. I think it is best inside 1000 yards and at that range I like the 225 AB because of way less drop and not a lot in windage difference. I have shot many animals beyond 1000 yards with BC's in the .5's, no problem. BC's sometime get in the way of making the right choice. Shooting targets is all BC's. Shooting animals there is more to consider. You have got to make the shot with the right bullet that will do the job. At lower velocities the 225 AB seems to perform better than the 300 SMK with the hits I have seen. So it keeps the safe killing distance with this cartridge at about the same with either bullet as far as bullet performance. However if there is much unsteady wind hits with the 300 smk are easier beyond 1000 yards.

I just play it safe and use the best odds using my RUM stuff and smaller inside 1000 yards with the 225 AB and if I am going long range hunting I shoot the 300 SMK out of one of my big 338's at 3050-3150 fps. With one of these I still can beat the 30's shooting 177's at 3500 fps. These big 30's are still going to hit that 1200 yard or so barrier where the big 300 SMK starting out around 3100 fps can go further. Not saying I can't take my 300 RUM with a 177 GS and kill an animal at 1500 yards because I could if I hit him right. By barrier I mean best effective range not what it will actually do under the right circumstances.
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  #13  
Old 04-21-2011, 02:08 AM
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Re: 338 Edge bullet for elk

Here is some additional results of the GS 177. 104 grains of h1000 is giving me 3650fps in a 28 inch barrel. sounds way over max, but the bearing surface as you may know is ultra short plus those drive bands?? i am concerned about long range performance and expansion of this bullet. another great bullet we are having success with is the 180 gr. JLK long boattail version. 3450 fps, 99 grains of retumbo. we have shot lots of deer and antelope over the past two years with the jlk. performance has been flawless at all distance 117-809 yards. i was shooting the 210, but at 3450 velocity i save 20 inches or so at 1000 yards, so i switched to the 180 lbt. I also tried the new barnes long range in the 175 and the 200 grain versions, no bueno por me! i want to try the hornady 225. do we know if they will offer an amax verion of the 225, spoke to a guy named doug in technical at hornady and he said the 208amax is still the old jacket not the amp. that didn't sound right. also have we heard anything about the 230 grain berger in the future, what about the 338 berger hunting bullet?? my snipetac will be done in july.
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  #14  
Old 04-21-2011, 01:56 PM
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Re: 338 Edge bullet for elk

In a new thread Shawn C, put the gen 2 berger 300 in a 5'' TYPE GROUP at over 1000 and shot them out to 1800, he liked them. I shot my gen ones into 1'' at 400
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