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Best way to build a 338 RUM

 
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  #1  
Old 07-06-2009, 08:44 PM
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Join Date: Nov 2008
Location: Eastern Montana
Posts: 269
Best way to build a 338 RUM

My better half has given me the green light to have two guns built. One I have decided to be a 243 AI. I would like to have a 338 RUM built too to shoot the new 250 gr Bergers.

Looking for a repeater with a McMillan A3-5. I need to stay within a budget too so custom actions are probably out. I also want to have 28" barrel length with brake and a contour similar to a Remington Sendero.

Any advice on what parts to start accumulating, most important, the action?

Thanks.
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  #2  
Old 07-07-2009, 08:25 AM
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Join Date: Dec 2007
Posts: 63
Re: Best way to build a 338 RUM

I found a good deal on a Rem 700 300RUM and just sent the barreled action to Krieger for a 27" fluted #5 barrel.
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  #3  
Old 07-07-2009, 09:14 AM
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Join Date: Jul 2004
Location: Texas
Posts: 5,384
Re: Best way to build a 338 RUM

Quote:
Originally Posted by buckbrush View Post
My better half has given me the green light to have two guns built. One I have decided to be a 243 AI. I would like to have a 338 RUM built too to shoot the new 250 gr Bergers.

Looking for a repeater with a McMillan A3-5. I need to stay within a budget too so custom actions are probably out. I also want to have 28" barrel length with brake and a contour similar to a Remington Sendero.

Any advice on what parts to start accumulating, most important, the action?

Thanks.
Find a good donor rifle with a magnum bolt face (A 700 REM should be 4 to 500 dollars)

Buy your stock and barrel then take it to a gunsmith and have it put together.

If you could find a 338 RUM 700 Rem it would save you some money but if you want the
McMillan you could even buy a Remington SPS new for the action for about $450.00 and strip
it down, sell the barrel and stock and reduce the price even more.

J E CUSTOM
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Old 07-08-2009, 02:36 PM
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Join Date: Jun 2009
Location: From Norway
Posts: 19
Re: Best way to build a 338 RUM

Quote:
Originally Posted by tpbscha View Post
I found a good deal on a Rem 700 300RUM and just sent the barreled action to Krieger for a 27" fluted #5 barrel.
take lot of pics of project
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  #5  
Old 07-08-2009, 06:04 PM
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Join Date: Jun 2004
Location: Fort Shaw, Montana
Posts: 6,793
Re: Best way to build a 338 RUM

To be honest, if you have to purchase the donor receiver, then have it accurized, there are several custom receiver options out there that would get you a better end product as far as strength and rigidity for not much more money at all. In fact a fully accurized Rem 700 will run nearly the same price as a Stiller Predator receiver.

If it were me, I would recommend you step up to a Borden Timberline Magnum receiver which is only another $100 or so and you will have one of the very best receivers made today.

Have the receiver made with a Wyatts 3.820" mag box window, use a Rem 700 BDL floorplate, wyatts box, follower and spring.

Get your McMillan A-3 or A-5 or look at a Manner MCS T4 which is very similiar to the A-5 and turn around is generally much faster.

Add a top end barrel from any of the top makers, put it together correctly and you will have a rifle that will allow you to reach out well past 1000 yards.

The 338 RUM is a great chambering. It gets overlooked alot because of the 338 Lapua and 338 Edge but there are no flies on the 338 RUM either. I just tested tested a customers rifle in 338 RUM that averaged 2740 fps with a 300 gr SMK in a 28" barrel length. Its certainly not the full equal of the Lapua or Edge but its extremely potent at long range and a very accurate chambering.

I would recommend the Edge over the RUM simply because the 300 RUM brass will always be around, that may not be the case for the 338 RUM and there is no difference in loading the two other then getting 100 fps more velocity out of the Edge.
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  #6  
Old 07-08-2009, 06:24 PM
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Join Date: Jan 2005
Location: OK
Posts: 2,145
Re: Best way to build a 338 RUM

Surgeon is making the RLR action which is a remington clone with a pinned lug, has the same one piece bolt as their more expensive actions.

Long action magnums come with a m-16 style extractor. The available rail can be had in 0-20moa, steel or alum. 8-36 screws and two pins.

The machining is top notch and they sell at $816.00, I have a few in stock and will be getting more next month. Don't bother looking on the Surgeon site as they are not up yet, the RSR is and would make a fair comparison. The only difference is, it's a short action and has a rem extractor.

You can't make a Remmington near as well as the RLR for 800 bucks.
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  #7  
Old 07-08-2009, 08:33 PM
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Join Date: Jul 2004
Location: Texas
Posts: 5,384
Re: Best way to build a 338 RUM

Well there are a lot of different opinions on your question So I recomend that
you Start 2 list . One for a custom action and one for a factory action.

You already know what stock you want and you need a good custom barrel to get
a 28" finished barrel length.

The brake will cost $75 to $200.00 dollars.

And if you can find a good donor in any RUM (7mm,300,338 and even the 375)
you have everything you need for the action.

If you buy a custom action you will need =Floor metal,Mag Box. Bullet follower and
a trigger. so if you start with a $800.00+ action ,add the trigger,floor metal, watts box,
and Bullet follower you will know the actual cost.

All smiths like to use custom actions my self included because they don't have to do
anything to it just screw it on. But I have to disagree with the statement that you can't
make a factory Remingtion action as good as a $800.00 dollar Custom.

First there is no custom action that cost $800.00 complete with trigger,bottom metal,mag
box and bullet follower.

Second you can buy a good used Remington in the right caliber for $450.00 to $500.00
and have it blue printed for less than $200.00 .

Accuracy is not the issue because any well prepared receiver will shoot with the best
custom.

Do the math for both types of builds and make your decision on which way you want to go
after you have everything down in black and white.

If the Custom action is within your budget go for it you wont be sorry but if it is to costly
then go with the factory action.

Ultimately it is your decision so don't start with out all of the cost of each build So there
are no surprises to ruin the fun of a custom build.

This is just my advice ,I have nothing to sell.

J E CUSTOM
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