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  #1  
Old 06-01-2012, 03:42 PM
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7mm/ 6.5 Rem Mag


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Does anyone load for this cartridge?
I found a custom rifle at a gun shop chambered in the above cartridge. It's a 700 trued short action w/ a 26" Kreiger barrel #1or 2, MPI stock and a Swarosvki 3x9 scope. It weighs 7.8 lbs w/ scope, it was to come w/ dies but the owner never came up with them so the priced was dropped by $150.00 down to $1150.00.
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  #2  
Old 06-02-2012, 01:50 AM
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OK, so it's a 6.5 Rem Mag, opened up to 7MM? And it's in a short action M700? Has the magazine been modified to allow the longish 7mm bullets to be seated to at least the base of the neck? I think that short action would be a deal-breaker, for me.

Performance wise, with a 68gr capacity, it will be virtually identical to the 6.5x64 Brenneke and the various flavors of 6.5x284.
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  #3  
Old 06-02-2012, 06:00 AM
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I own a 6.5 Rem mag and a .284 Winchester, both housed in S/A rifles. The 6.5 is chambered in a Model Seven action and the .284 Win is in a Ruger M77 S/A (tang safety). I've not used bullets heavier than 140gr in the 6.5, but they function just fine through the M7 action. On the other hand, I've used bullets as heavy as 175gr in my .284 and not had any problems with that big a 7mm bullet in the S/A Ruger. I think a lot more is made about some bullets being too long, than what actually might be the true story. Certainly some ultra long range target bullets might present a problem, but typical hunting bullets should work well in a S/A.

Seeing as how the case capacity (and length) is virtually identical between these two cartridges, I would figure the 7mm/.6.5RM to be a ballistic twin to the original .284 Win which was produced to give .270 & .280 performance in Winchester M88s & M100s, both S/A only rifles. The rifle sounds like a hunting(?) rifle with it's moderate weight and is perhaps an owner-unique make, using a 6.5 RM rather than the .284 Winchester to come to virtually the same end. The .284's case has been used to make any number of wildcats due to it's compact length and decent capacity, kind of like a SM in it's day. But I've also always felt the original was a very worthwhile cartridge in it's own right. If it's a well made rifle that you think you can get dies made for, I'd think it would make a fine rifle.
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  #4  
Old 06-02-2012, 08:35 AM
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Have you already bought the gun ? If not unless you just want something different which I for sure can understand, I would take a look at the new Model 70's coming out of the FN plant in Columbia, SC. From all I've read and heard they are fantastic and they are offering the 7 WSM again in 3 or 4 different models of the 70. The all weather extreme is one of them with a stainless barrel, fluted, Bell and Carlson full length bedding block, adjustable trigger, free floated, and nice recoil pad. No belt to deal with and IIRC Remington is the only one that makes the 6.5 mm RM brass anymore. The gun sounds very nice though and I myself have wanted to for a long time to do something with the 6.5mm RM. The problem for is that I don't currently load and hopefully I can get started too some day soon. Best to ya !
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  #5  
Old 06-02-2012, 11:25 AM
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Yes, I have bought the rifle and have ordered the dies. I wondered why the gunsmith didn't just use the 284 but guessing there may be a small increase in powder w/ the 6.5. It was built as a sheep gun and was told it shot 1/4" at 100 yds.
I thought about rechambering to the 7mm SAUM but it does not feed well w/ that cartridge and it'll cut down the mag capacity. It also came w/ some loaded ammo using the 120 solid base noslers at 3400 fps but will have to chrony them to see. Wish I had some of those bullets. I am trying some 130 Speer BT's to see how they do.
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  #6  
Old 06-02-2012, 03:42 PM
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Sounds like it will be a great gun to own and fun to take to the range. The 130gr Speer BT I want to try in my 280 Rem myself. Congrats to ya and have fun !
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  #7  
Old 06-04-2012, 11:43 PM
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It was called a 7mm Harvey Magnum in Australia. PM me and I'll send an article on it via email.
Cheers...
Con
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  #8  
Old 06-05-2012, 06:39 AM
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Quote:
Originally Posted by Curt NCP View Post
Yes, I have bought the rifle and have ordered the dies. I wondered why the gunsmith didn't just use the 284 but guessing there may be a small increase in powder w/ the 6.5. It was built as a sheep gun and was told it shot 1/4" at 100 yds.
I thought about rechambering to the 7mm SAUM but it does not feed well w/ that cartridge and it'll cut down the mag capacity. It also came w/ some loaded ammo using the 120 solid base noslers at 3400 fps but will have to chrony them to see. Wish I had some of those bullets. I am trying some 130 Speer BT's to see how they do.
I'd think the 130gr Speers would be screamers in that cartridge. There were more than a few high $$ ultralight mountain rifles (another moniker for sheep rifle, perhaps) in the .284 Win, being a S/A case with good capacity. The 7SAUM is a fine cartridge (I own one in a Model Seven), but you are absolutely correct about it's fat case. In my M7 you really do need to squeeze to get three in the magazine. My M7 feeds fine with the SAUM, but it should since they designed both the cartridge and action. Best of luck with your fine new toy and please keep us updated on your range results.


From Ultralight Arms site:

Model 20 Rifle (The Ultimate Mountain Rifle) - built upon an intermediate length action. It is designed for exceptional accuracy with .308 class cartridges, yet maintains an extremely light weight. The action weighs a modest 20 ounces, and the finished rifle is only 5 pounds. Featuring a 3- inch magazine, the Ultimate Mountain rifle is available in all .308 length calibers, including .243 Winchester, 6mm Remington, .257 Roberts, 7mm-08, and .284. A 3 inch magazine is featured to allow extra versatility during load development.
$3,500 (left-hand add $100)
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  #9  
Old 06-07-2012, 06:11 PM
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new tricks for old dogs

I think if you develop loads using some of the newer banded Barnes bullets, you will have the best of both worlds. the belted case heads won't pull the dinky 308 cal. rims off in a reloading die, and the Barnes designs will work with lighter bullets.

With the correct bullets, the factory 6.5 Rem Mag. was quite the high country Elk rifle, back in the day. This adaption using lighter copper bullets may really surprise you as well with some high country trophies.

My research says that Winchester made the 284, because they couldn't get enough wallop out of the 7 x 308. Remington later did the 7x08, but I don't think it shoots as flat as the old 284.
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  #10  
Old 06-08-2012, 04:31 PM
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I own a box of 6.5RM 140gr NP (along with a 6.5RM) that would bet they could take any elk at 250-300 yards (they will not from my rifle). The capacity of the .284 is a good bit higher than the 7/08, 53gr VS 65+gr and I'd say that there is simply no conversation there.
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  #11  
Old 06-13-2012, 10:21 AM
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I shot the rifle over the weekend and the 130 BTSP Speer's shot well. The group was a .274" for 3 shots and is 2.2" high above aiming point. I think I will keep this pup. It is stamped 276 Pup on the barrel

Last edited by Curt NCP; 06-13-2012 at 10:36 AM.
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  #12  
Old 06-13-2012, 11:53 AM
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Geeez, well is an under statement. That's great ! If I hand loaded my first gun after starting would be a wildcat on the Rem 6.5 mag, I've always liked the round. I'm having some of the Speer 130gr BT's loaded for the 280, I hope they do well also. Congrats
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  #13  
Old 07-04-2012, 01:46 PM
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6.5 rm

the 6.5 rem mag has been my favorite for a long time.
I have run into the problem of finding brass too but I now have a bushing die that I can make my brass from any mag casing.
for my 6.5 rem mag and my 6mm-6.5 rem mag both are very accurate.
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  #14  
Old 07-20-2012, 10:43 PM
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Quote:
Originally Posted by OKIE View Post
the 6.5 rem mag has been my favorite for a long time.
I have run into the problem of finding brass too but I now have a bushing die that I can make my brass from any mag casing.
for my 6.5 rem mag and my 6mm-6.5 rem mag both are very accurate.
There's a company called Quality Cartridge that makes obsolete and wildcat brass. The most obsolete and wildcat brass I might add. The brass is properly head stamped as well and they make the 6.5 mm RM. $39 for 20 of them.
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  #15  
Old 10-01-2012, 05:42 PM
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I once upon a time, was going to take a 7mm Remington mag and turn it into a wildcat, 7mm Rem. case with a 6.5 bullet on top the case. Only I had a problem finding heavier bullets that I wish to use for moose or elk.

I didn't want a round nose bullet (poor B.C.) in the 160 grn like Hornady makes. I wanted at least a 180 or better, more like a 195 grn really. This should have put the Sectional Density at around the .355 area. Penetration would be terrific with the proper bullet. However, after giving it some serious thought, I decided to sell that 7mm Rem Mag to a young man down the road, to use on his mule deer hunt.

I thought a bit longer and decided to leave well enough alone! My 6.5/06 does just about everything I need to do really. I'll just keep on using those 160 grain Hornady bullets with an S. D. of .328. They should penetrate deep on any moose, perhaps not the heavy bullet I would like to use but it should get the job done in spades.
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  #16  
Old 10-04-2012, 12:05 PM
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it turns out the gunsmith who built the rifle wanted it worse than I did and bought it for what I had in it plus bed the stock and put together a custom action varmint rifle. I replaced the rifle w/ a 7mm Rem Mag Tikka T-3, shoots the 168 Bergers to 1/2" @ 100 yds and weighs in at 7.4 lbs w/ a 4.5x14x44 Carl Zeiss SF scope.

Last edited by Curt NCP; 10-04-2012 at 12:12 PM.
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  #17  
Old 10-04-2012, 07:36 PM
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Quote:
Originally Posted by 2Bits View Post
I once upon a time, was going to take a 7mm Remington mag and turn it into a wildcat, 7mm Rem. case with a 6.5 bullet on top the case. Only I had a problem finding heavier bullets that I wish to use for moose or elk.

I didn't want a round nose bullet (poor B.C.) in the 160 grn like Hornady makes. I wanted at least a 180 or better, more like a 195 grn really. This should have put the Sectional Density at around the .355 area. Penetration would be terrific with the proper bullet. However, after giving it some serious thought, I decided to sell that 7mm Rem Mag to a young man down the road, to use on his mule deer hunt.

I thought a bit longer and decided to leave well enough alone! My 6.5/06 does just about everything I need to do really. I'll just keep on using those 160 grain Hornady bullets with an S. D. of .328. They should penetrate deep on any moose, perhaps not the heavy bullet I would like to use but it should get the job done in spades.
Woodleigh makes a 160 gr PPSN bullet in 6.5 that is touted as a Moose bullet and should get better ballistics that a round nose. It has a BC of .509 and a SD of .328 also.
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  #18  
Old 11-29-2012, 02:35 PM
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Hey thanks for the info on that Woodleigh bullet! I have used Hornady before and worked OK for under 100 yards in dark timber. I will look into that Woodleigh bullet thanks again "264WM"
"
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  #19  
Old 11-30-2012, 06:17 AM
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Hi Curt NCP, how about a picture of your new rifle?

Frank
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  #20  
Old 12-11-2012, 02:35 PM
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Been trading up, traded the Tikka and Carl Zeiss scope for a Leupold Mark 4 8x25x50 illuminated. Sold several others and now have all the parts to put a 7saum together, Stiller Tac 30 action, Greybull stock, Rockcreek Varmint countour, and the Mark 4 scope on it. Pics in January
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