6.5 Rem Mag

Based on the 350 Rem Mag case necked down to 6.5. Ballistically a little quicker then a 6.5-06, though I would expect that was simply my personal examples rather then a general rule. Originally marketed as a 270 in a short action short barrelled woods rifle, and that is what it was. I like them, though they don't do anything the 25-06, 6.5-06, and 270 won't do. - dan
 
Based on the 350 Rem Mag case necked down to 6.5. Ballistically a little quicker then a 6.5-06, though I would expect that was simply my personal examples rather then a general rule. Originally marketed as a 270 in a short action short barrelled woods rifle, and that is what it was. I like them, though they don't do anything the 25-06, 6.5-06, and 270 won't do. - dan

......except work through a short action.

I personally prefer the 6.5-284, another ballistic twin. I think these days if a guy wanted a magnum short action 6.5, I'd be inclined to use the 270 WSM case instead, much better availability of brass. I haven't seen loads or brass for the 6.5 RM for many, many years now.
 
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Well....it's probably one of the coolest cartridges I have ever worked with. The rifle I have the pleasure of working with has some magical qualities that must have something to do with Mr. Leeper doing the work. One of these qualities is that as long as you use H4831 it shoots wayyyy under MOA, and it actually follows the Nosler manual so accurately it is scary. 120 Btips at 3240fps and 140 Accubonds at 2985fps with SDs under 7fps on every string I have shot with both.
It has superior capacity (slightly but so) than the 6.5-06 and 6.5-284, and given my results (this rifles shoots into 1/2 MOA with a 2.5-8 using ham-handled loads) is easily as accurate as either of the others in a hunting rig. This wonderful example is 7lbs 2oz with the Leupold, talley's, Mr. Leepers special contour 24" Shilen and some few aesthetic pieces of metal removal.
This rig does have a Wyatt CFE box and in recommend it for this cartridge in a Remington or in your case a Winny SA would be perfect Chuck.
I really like 6.5 projectiles, and this ORIGINAL short mag still does it all and now with some pinache due to its history.
Do it Chuck, I'm glad Murray did.
 
Well....it's probably one of the coolest cartridges I have ever worked with. The rifle I have the pleasure of working with has some magical qualities that must have something to do with Mr. Leeper doing the work. One of these qualities is that as long as you use H4831 it shoots wayyyy under MOA, and it actually follows the Nosler manual so accurately it is scary. 120 Btips at 3240fps and 140 Accubonds at 2985fps with SDs under 7fps on every string I have shot with both.
It has superior capacity (slightly but so) than the 6.5-06 and 6.5-284, and given my results (this rifles shoots into 1/2 MOA with a 2.5-8 using ham-handled loads) is easily as accurate as either of the others in a hunting rig. This wonderful example is 7lbs 2oz with the Leupold, talley's, Mr. Leepers special contour 24" Shilen and some few aesthetic pieces of metal removal.
This rig does have a Wyatt CFE box and in recommend it for this cartridge in a Remington or in your case a Winny SA would be perfect Chuck.
I really like 6.5 projectiles, and this ORIGINAL short mag still does it all and now with some pinache due to its history.
Do it Chuck, I'm glad Murray did.

When you wear out three pieces of brass I should have you send me a bill and three loaded dummies to see how they feed in my Model 70 WSM.
 
Well, I should be in Cowtown next week, and I have a couple that have seen the end of load development. So that can happen, and I'll OAL them at 2.900" for a happy medium.
 
Honestly, if youre already set up in your rifle for WSM cartridges, I think I would go 6.5 WSM, and I am a fan of the 6.5 Rem Mag. It would just be easier. - dan

for sure. What I don't like about the WSM's is the mag box room. A saum, or 6.5 RM would give cartridges the proper breathing space in there.
 
Take a gander a the 12 page discussion on the 6.5 SAUM at the Snipershide forum, all other 6.5 builds will be forgotten.
Sure happy that I bought a bunch of Shamu brass when it was easy to find.
 
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