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Fastest, most accurate .257, .284, .308 ??????

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Unread 03-05-2004, 12:56 AM
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Join Date: Feb 2004
Location: Wyoming
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Re: Fastest, most accurate .257, .284, .308 ??????

Canadian, It sounds like you came from the same school I did fastest = flatest= most accurate. I dont know if thats necassarily true but the way i have my 7STW figured for is 500 yards. Basically I am trying to tune it to where I can use the same hold as lazz uses on his Firebird with 140 gr bullets. I am using 120 and 127 gr. With this load if it is basically in 500 yards (which will be the case 95% of time) Put the crosshairs where they need to be and squeeze. The problem with the super magnums like you mentiond is that alot if not most bullets cannot handle what they are capable of. This causes iradic bullet behavior compared to those rounds that arent so "super".

To answere your question my favs are the .257 STW, 7 STW, and 30-378 WM or 30-338 Lap. No real advantages that I know of or anythng, I just like them!
Never pass up a kool-aid stand or lemonade stand. Remember it is a young American learning the American dream.
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Unread 03-06-2004, 02:39 AM
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Join Date: Dec 2002
Posts: 374
Re: Fastest, most accurate .257, .284, .308 ??????

As JB said and I pointed out before. The 7mmWSM is a smokin cartridge that would fit your bill well. If you wanted to shoot the lighter bullet for a while, the 168's generally will outperform the 30 cals up to 210 and will just smoke them in velocity. I see both regularly and personally shoot a 30 WS. The 7 is flatter, faster and I think is a better capacity for the bullet it shoots. All the same, I'm not changing now or later. I have 30's. I'm also not killing stuff with them far away.

A 7 in a 30" gun, will give you 3100fps easily from a 168 in the cold weather. I wouldn't go that far in summer. The 168 has a bc around 650 so it's gonna keep truckin along pretty well.

If the 30 held about 5 more grains, it'd do well with the 210 also. (for hunting that is).
If you have something that you disassemble and reassemble enough times, sooner or later, you'll have two!
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Unread 03-06-2004, 11:12 AM
MAX MAX is offline
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Re: Fastest, most accurate .257, .284, .308 ??????

I'm pretty good at fly fishing too. [img]images/icons/grin.gif[/img] [img]images/icons/rolleyes.gif[/img]
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Unread 03-06-2004, 06:25 PM
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Re: Fastest, most accurate .257, .284, .308 ??????

The lazzeronis offer awsome potential on paper(as far as drop/wind curves and energy). I'm having a 257Scramjet built. But I've learned in waiting that there is alot more to rifle performance than sheer speed. The best long range HUNTING rifle will balance many things. BC/low wind drift, sufficient energy, low recoil, average barrel life, reasonable weight & distribution, practical function, good reloading components available, etc.
My Scramjet will be strong out the gates, but will be less than fun after replacing barrels constantly. And sure, it'll decapitate deer, If the recoil doesn't throw the bullets right over em.
I should have gone 6.5WSM, or even better 6.5WSSM. Better barrel life, enough energy, lower recoil, same wind drift @1K, more components/dies available, and all around more accuracy potential. [img]images/icons/wink.gif[/img]

[ 03-06-2004: Message edited by: Mikecr ]
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Unread 03-06-2004, 09:27 PM
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Join Date: May 2003
Location: N. Calif
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Re: Fastest, most accurate .257, .284, .308 ??????

Hi Lefty- I'm far from being an expert on long distant shooting but I've been shooting and hunting for many decades and maybe I can offer a perspective. I've shot a few deer at just over 500 yards and have even hit a few jackrabbits at similar ranges, but the thought of shooting at a poor Bambi at 1000 yards is beyond the abilities of both me and my equipment.

Accuracy is of prime importance. I have several deer rifles that will shoot real close to a half-inch at 100 yards when conditions are good, but when I put up a box at 400 yards I feel lucky when I keep them inside of 6 or 8 inches. Maybe some of these guys can explain why, but I can't, other than maybe wind. That's just the way it works. Also, my rifles are mostly sporter weight guns, not the heavy, long-barreled rifles, with heavy, specialized optics that are needed for long range accuracy.

Some of the other posters have mentioned long-for-caliber bullets. Obviously the advantage of these is retained energy at long range and less wind drift. These are a huge factor at 800 or 1000 yards, but within reason not that important at 400 yards unless you are shooting something like a 243. A 115 Ballistic Tip from a 25-06 will do a fine job on a small deer like my AZ whitetails at 500 yards with a good hit, likewise a 130 grain bullet in a 270, but these probably aren't good enough at 800 yards no matter how well you have the range dialed in.

I'm probably not telling you anything you don't already know, but the way I see it is that for a "long range" rifle for 400-500 yard shots, with a 3X9 Leupold (which doesn't follow directions worth a damn in my experience), lighter bullets and very flat-shooting rifles have a real value because they extend point blank range a little, but for ranges longer than that very hi velocity drops off in importance in comparison to wind resistance, retained energy, heavy and stable rifles, and optics that can be dialed in to the distant that the shot is taken. An an excellent rest, etc.

Apparently there are certain cartridges that are inherently more accurate than others, and it looks to me like these are not normally at the higher end of the velocity scale. I know that the little 6mmBR set a 1000 yard record a few months ago, and I believe that the 308 and the 300 Win mag are legitimate contenders at this distance. Even the Win mag is almost a plodder compared to cartridges like the 30-378 or the long-cased Lazzaroni, but they apparently shoot very well, which is what counts.

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Unread 03-23-2004, 11:05 PM
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Re: Fastest, most accurate .257, .284, .308 ??????

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Unread 03-23-2004, 11:46 PM
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Re: Fastest, most accurate .257, .284, .308 ??????

A guy that shoots at Williamsport told me that the 300 Ultra was tried a lot but pretty much given up on by all there the last couple years, just didn't do all to well. I've got one that shoots plenty acceptable for short strings, not 10 rounds fast as you can, but I never tried it anyway. He also told me there are several guys shooting the 30/338 Lapua Imp, they have good success with them though. I've also got one of them, it outshoots the Ultra, but it has a custom heavy barrel on it and a nice chamber so, it better.

I'm super happy with the throat life I'm seeing in the Lapua, but it has a 40 degree shoulder and really long neck, .405" verses the comparatively shorter necked 30 Wolf and a 35 deg. STL tells me he is getting very good throat life from his too, so it may be alot to do with the 3 groove 11 twist Lilja barrel we both use???

Wind drift -
If you haven't much experience beyond 400 yard yet, you'll soon find that wind drift is going to whip your ***** unless you're using the highest BC bullets you can get your reloadin hands on, then you still have your work cut out. You'll make drop charts, track you MV stability in various temps, modify charts for changing air density, but you still must deal with the wind. Using the highest BC bullets just narrow the possible overall error you must deal with, that and shooting as fast as you accurately can, so speed does IMHO play just as much a role. Any of these cartridges for the most part will guarantee you enough energy at 800 yards, and is the last worry on my mind, wind drift is the first however. To me, less drop is a byproduct of attaining minimal wind drift, nothing I worry about, it can all be very easily compensated for, wind is the wild one to get your hands on!

You must be able to shoot it accurately, so don't by the biggest baddest thumper you can spend money on and lack the ability to put a bullet out of it at POA every time, work up to it if you have doubts. A muzzle brake will be a tremendous help.

My Fav is the 30-338 L...

[ 03-23-2004: Message edited by: Brent Moffitt ]
Brent Moffitt
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