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.50 peacemaker Vs .338 Lapua

 
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  #1  
Old 08-14-2004, 07:52 PM
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Location: Darwin Aust
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.50 peacemaker Vs .338 Lapua

Gday fellas, I am starting the build of a larger long range rifle at the moment and am looking for a cartridge to base it on.

I currently own .308WIN and .22/250 rifles and while they are good (use the .22/250 out to 400m on small varmints and the .308WIN out to 600m on feral boars but after that I am concerned about penetration and shot placement) I would like a larger cal to be able to take boars at 1000yds as I have recently discovered a property which will allow this unique oppertunity.

My question is this, the .338 Lapua is entranched as an excellent long range cartridge in the correct hands and would be suitable but the .50 peacemaker is something else, very different, and I would like any info you guys can provide on it. I would use a .50BMG but I cant have one where I live. Which one?

Also, I was thinking a 30+" barrel for the new rifle, what do you think? Weight is not a concern as it isn't carried around. I have made a stock for it and it already weighs 30lb! [img]images/icons/shocked.gif[/img]

Thanks
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  #2  
Old 08-15-2004, 12:38 AM
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Re: .50 peacemaker Vs .338 Lapua

If I were you I'd go with the .338 Lapua. It is more reasonable for the ranges you spoke of and is much much cheper. Still en insane amount of power. If your stock weights 30 pounds than barrel size shouldn't be that big of a problem. I would think a 33" should be good. Your choice.
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  #3  
Old 08-15-2004, 08:52 AM
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Re: .50 peacemaker Vs .338 Lapua

Why not go for the 338 RUM. Approx. the same effect.

.50 Peacemaker??
Are you sure you dont mean Peacekeeper? (Based on the 460Wby.)Basicly a 500 A-Square with a long freebore, that makes it sutable for the use of 650-750grs bullets.
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  #4  
Old 08-15-2004, 07:18 PM
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Re: .50 peacemaker Vs .338 Lapua

Tunofun,

I have alot of customers looking to get into extreme range shooting and they always ask about the Lapua.

It is true it is a great long range round but in the last few years, it has gone from head and shoulders above everything else in the factory world to just another big magnum 338.

The 338 RUM, as mentioned earlier will do everything the Lapua will do as they have roughly the same case capacity, the Lapua has a few grains more capacity.

If you want to match the Lapua identically, build a 338-300 RUM wildcat with its .100" longer case and you will have it. The last Lapua brass I compared to my 300 RUM cases were almost identical with the RUM case holding 1.5 gr more then the Lapua.

The best thing about the RUM is that it can be chambered in any rifle action that is long enough to use it. The Lapua is very large in the head and will be limited to what actions you can use and still have a repeating rifle.

Also, RUM brass runs about 1/4 the price of Lapua brass. Sure the Lapua brass is very good stuff but so is the RUM brass if you sort it and BR prep it.

Aother option is the 338-378 Wby or the 338 Kahn(I am building my 2000 yard rifle as we speak using the Kahn)

THese rounds are serious hammers but will have the same personalities of the Lapua in brass cost and actions that can be used but you will get a solid 150 to 200 fps more velocity with these two rounds over the Lapua/RUM cases.

As far as a rifle goes, I would select at least a 30" barrel. I am using a 34" Lilja 1.350" straight cylinder fluted stainless barrel on my 338 Kahn.

I am also using one of my printed Rem 700 actions and because of this I will be converting it permanently to a single shot and using a Barrel bedding block system of my own design.

This will allow me to free float the action so that it will be a non stress componant of the rifle.

Good Shooting!!

Kirby Allen(50)
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Home of the Allen Magnum, Allen Xpress and Allen Tactical Wildcats and the Painkiller Muzzle brakes.

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  #5  
Old 08-16-2004, 05:57 AM
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Join Date: Aug 2004
Location: Darwin Aust
Posts: 16
Re: .50 peacemaker Vs .338 Lapua

Sorry 460, I meant Peacekeeper!

Fiftydriver, excellent point, I didn't even think about that, the 300RUM would be a good choice pushing some 240 sierras. Cheap brass and avaliability of the action to handle it is another good point. Thanks.

BTW, the stock I made has a barrel bedding system too, just like a BR rail gun ( I coppied it from a friends rail) but with two clamps instead of one (I just have to machine the insides of the blocks when I get the barrel).

Thanks guys, I dunno if you have made the choice better or worse! Hehehe
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  #6  
Old 08-16-2004, 12:11 PM
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Re: .50 peacemaker Vs .338 Lapua

Presently shooting a 240gr/300Rum, and working on my version of the 338-300RUM. I call it the 338 Mystic and is a maxed out improved RUM case. Similar to the 338 Tomahawk.

With these long bullets, you can forget about feeding from the mag unless you want to loose a lot of powder space. I have set mine up as single shots.

The biggest benefit over the Lapua is bolt face options. All manf will make a 'belted magnum' bolt face so will work with the RUM family. Very few make one big enough for the Rigby/Lapua/Wby case so options are greatly reduced.

I have built all my LR cannons on Enfield P14/17 actions and these worked superbly. Very strong and inexpensive to boot.

Go as long a barrel as you can handle. 35 to 36" does make a difference for these big case monsters.

Also, think heavy and/or muzzle brake. I don't enjoy recoil and these do give a very solid push. My 300RUM weighs 35lbs w/brake. My 338 Mystic will probably weigh around 45lbs w/brake. I can spot my own shots.

If the 338 Lapua ever becomes a NATO cartridge, then the story will change. There will be lots more options and brass will be cheap. For right now, the RUM is the best big case magnum when you balance performance and cost.

Don't forget the 7mm too. With 162/168 and the new 175gr MK, they can deliver a pretty powerful punch at 1000yds. Certainly alot cheaper to shoot. Would look at the 7WSM, Dakota, STW or RUM depending on how long a barrel and weight I wanted.

Jerry
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  #7  
Old 08-17-2004, 07:10 AM
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Re: .50 peacemaker Vs .338 Lapua

Tunofun,

Most will tell you that you need certain actions for a case the size of the Lapua such as the Big Sako's, the Wby MkV and such.

TO be honest, this simply is not true. Lazzeroni has put out custom M700's chambered in his full length magnums for years and they have the same case head as the Lapua plus they are larger in the shoulder diameter.

The only problem can be when using the actions as repeaters, they need extensive modification and bullets must be seated very deep to fit in the magazine.

The good news is that these long range rifles are designed for single shot use so there is no problem at all using the 700 action if you want to pay for the bolt modifications.

Like I said, I am using a printed 700 for my 338 Kahn and it works great.

Others will tell you that the 700 is not strong enough for these large case head rounds. Again, I do not agree.

If you figure the bolt lug baring surface for the Wby Mk V's nine lugs and then for the Rem 700's two lugs, the Wby is not that much more. Then figure the fact that seldom do more then 6 or 7 of the Wby lugs actually bare on the receiver and the Rem has the advantage.

I would not recommend using any action based on the Mauser style bolt because with the extractor claw, it make it nessesary for the bolt lug under the claw to be much smaller then the opposite lug. This is not adiquate for the bolt trust these big rounds produce.

Just an example of what can be done to an action. I just built a 358 STA for a customer using a Ruger M77MkII action. Converting the Ruger action to accept the full length STA is really a simple matter with only minor milling of the receiver needed and a little touching upof the forward feed rails and loading ramp.

The conversion feeds like it was made for the round.

I still say the RUM is the best choice for your needs in the Rem action but that does not mean it is not possible to chamber the Lapua or the much larger 338 Kahn for that matter.

For this conversion, I do highly recommed getting a Rem 700 in 30-06 so that when the bolt face is opened up, you get more of the extractor groove cleaned out of the bolt face. Then a simple fitting of a quality Sako extractor and your good to go.

Fitting a Sako extractor on this large of a case head combined with the very tight bolt nose recess in the barrel that I put on my match rifles(0.001" over bolt nose diameter) take some precise fitting but it is definately possible to do, just takes time and patients to fit them properly.

It is also an easy job to increase the bolt throw of the M700 by .250" to allow ejection of live rounds.

For using in a single shot mode, the M700 is a hell of a round and much more accurate then most.

Good Shooting!!!

Kirby Allen(50)
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Kirby Allen(50)

Allen Precision Shooting
Home of the Allen Magnum, Allen Xpress and Allen Tactical Wildcats and the Painkiller Muzzle brakes.

Farther, Faster and Flatter then ever before.

Web Page: www.apsrifles.com

allenmagnum@gmail.com
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