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Anyone still shooting 6mm Rem?

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4.3K views 20 replies 13 participants last post by  steve-brook  
#1 ·
Hey boysngirls!
Mike Britton here. I'm about to send my .270 Interarms Mark X off to have a "light target" (.750 at the muzzle) barrel in 6mm installed. I have put together about 100 rounds of both loaded and really nice empty brass to start with and was wondering if I'm the only one out there still playing with the 6mm Remington?
I had a 788 leftie in 6mm when I was a kid and let it go for something I wanted more. Yeah, I know...
My uncle had a Ruger 1B in .243 and we would share loads. He was always upset that my 6mm would shoot better than his .243.
I had a book full of pet loads, but that was 50 years ago and I still haven't found it yet.

So I thought I might start a discussion on the old 6mm Rem. I know there are no Marlins chambered in 6mm, but then most of us Marlin folks shoot more than 1 brand anyway.
So what say you all? anyone want to chime in? Thanks, Mike
 
#2 ·
My son just shot this young mule deer buck a few weeks ago with his 6mm Remington 700 BDL. I got that rifle new, in 1974. :)

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I handloaded the terrific 95 grain Nosler Ballistic Tip bullet, over a book-max charge of Ramshot Hunter powder. Muzzle velocity from the 22" barrel is 3113 fps, and produced a .75" three-shot group from the nearly 50 year old rifle.

We both love that rifle, and I'm glad that I kept it good shape all these years. It's good to see my son using it. He got his first deer with it 18 years ago at 280 yards or so. This year's deer was only at about 140 yards.

It's shot a lot of varmints, some coyotes, some whitetail and some mule deer.

Regards, Guy
 
#4 ·
Been a fan of the 6mm Remington since the early 70’s when I bought a REM 700 ADL. Still have it, should I say did have… my son took it over! We went out west prairie dog hunting and loaded the 6mm with 55 grain Nosler BT that chronographed 4012 FPS.

I sent a commercial Mauser to Douglas Barrels and had the 30-06 barrel replaced with a 26 inch stainless medium varmint barrel in 6mm. It shoots even better than ”my” Remington.

I say go for it. Brass and ammo is available still. You won’t regret it.
 
#5 ·
Thanks all. Yeah, the decision was already made, I have started collecting brass and dies long before I could afford to build the rifle! Had this beautiful Interarms MarkX in.270 I never shot and decided to make it a varmint weight 6mm. I'm betting I will shoot it as a 6mm a lot!
I had to buy some full length dies, I have a set of neck size dies since the 70's. But now all this brass is going in a new tight chamber, so I have to full length size the first time.

I have a nice Krag sporter that will cover the cost of the new barrel and the bedding. And I have a really nice 4-16X40 AO Barska to go on top until something better comes along, if ever. I like the Barska!
 
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#6 ·
Have also been a 6mm Rem fan for many years. My three kids all started hunting with a great little Rem Model Seven. That Seven piled up a lot of deer. Back then I use to reload but now a days I just use factory ammo that I've stocked up on. That mainly being the good ole blue box Federal stuff. Cheap, well it was at one time, but it works well when I take my 7600 6mm out for an occasional walk.
 
#7 ·
i have been killin stuff with a 6mm for almost 50 years. the longest shot i ever made on a deer was 1980, it was right at 500yds estimated. in my old rem. 700 BDL my load then was a 100gr. sierra BTSP 45.5gr. of IMR 4350, now days i shoot a sierra 85gr. BTHP and IMR 4831, here is a buck i killed one morning while he was chasing a doe with my 660 rem.
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#8 ·
I bought my first 6mm, an M788, in 1971. Shot a lot of varmints and a few feral goats with it and it grouped very well with the Hornady 75 HP and IMR4350.

Fast forward three decades and I learned something. When Ed Harris worked at Ruger he built 5 (IIRC) M77s in .243 and another 5 identical rifles in 6 mm. He discovered that the .243 rifles all outshot the 6 mms every time. He eventually discovered that the SAAMI throats were considerably different for each cartridge, and when he recut the 6 mm throats to match the .243s the 6s shot just as good as the .243s did. If I were building a new 6 mm today I’d specify a custom throat.




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#9 ·
I have a Ruger #1B in 6MM Rem. I've only killed paper with it and it's proved to be very accurate.
Paul B.
 
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#10 ·
I learned to reload with a model 788 in 6mm. being pretty young, of course it was lots of hot loads, but they were accurate and killed a lot of stuff. we were over run with groundhogs here at the time. wish I still had it, but needed a model 700 heavy barrel in 6mm. for some reason. would not share those loads, or even most likely use them anymore.
Barry
 
#11 ·
I have a 6mm Rem built on a '96 small ring Mauser. It caries a Douglas light 24" barrel, that was originally chambered in 6mm Donaldson International, for a bench gun. The twist keeps me from loading heavy bullets,but it Really likes the Hornady 87gr pills. With the right load of 4895, or 4831, over Rem 91/2 primers, it does nickles at 100yds all day, and "minute of prairie dog", to 350 or better, {when I'm having a good day}. The really nice thing about reloading the "6" is you can re-size '06 brass for it. I anneal and run them down through the dies, trim to length, and then inside ream them.
 
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#13 ·
Thanks for all the comments!
I was afraid that I was going to find out that I was the only kid on my block playing with the 6mm! Gonna be fun! And, since it is .243 in bore bullets will be easy!
 
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#14 ·
I walked into a Walmart years ago and saw two Remington Model 7 youth rifles marked 180.00 in 6mm. I bought one and my boys stacked deer with it from 40 to 285 yards. It was perfect for them, I loaded 100 gr partitions over Win 760 and it shot them into a inch or less.
When there was talk over going to copper bullets only ,I loaded a 85 gr TSX over R19 and flipped a walking buck at around 100 yards. If I could of changed one thing it would be to make the barrel longer than 18.5 inches.
 
#15 ·
The barrel I'm planning will be 22", 1 in 9 twist, .750 at the muzzle.
McGowan calls it a "light target" barrel. Stiff enough to be a varmint barrel, but I won't need a forklift to carry the rifle around.
 
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#17 ·
I have two .243s but I've always liked the .244/6mm better. My brother had a super accurate Mohawk 600 and I had a Sako .244 and a Herters U9 6mm- all great rifles. A friend at the deer lease has a 6mm 700 ADL and just last week he killed a beautiful 14 point with one shot with it.. I've played with the 6x47 and the .240 Weatherby for opposite ends of the spectrum- but the 6mm is the favorite. It will be a perfect fit in that Mauser, Mike.

Sent from my SM-A716U using Tapatalk
 
#18 · (Edited)
I have done all the preliminary studies to determine that the Mark X will be a good fit for the 6mm.
The rifle is now a .270. And as great as the .270 is, I will probably never shoot it as a .270, I have had the rifle in the back of the safe for years and haven't shot it yet!
As a .270, the action lends itself perfectly to conversion to 6MM Rem.
1, the rim size of both cartridges is nearly identical.
2, the overall length of the 6mm is shorter than the .270, but not much, giving me quite a bit of leeway for heavier (longer) bullets in the 6mm.
And....wait for it....controlled feed! One of the many features the Mauser brothers got right.
My particular Mark X is a Zastava, and as such has the simple Mauser trigger. Having said that, my trigger breaks around, I'm guessing, 4 pounds. I don't have a trigger scale.
Triggers, however, on a Mauser are an easy fix.
What all this means is that I will take a rifle that I am not shooting and convert it to a rifle that will be fun to shoot, versatile to hunt with, and I will have done little to affect it's future value.
Photos below indicate study into how well the bolt will work with the 6mm.
I have cycled 6mm through the magazine and the extractor picks them up with no problem, and the ejector puts them on the floor at my 4:00, no problem.
Now, to sell my 1902 Krag sporter to finance the project!
I think that is a done deal. I love gun projects!!
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#19 ·
About those triggers; my '96 Mauser still has it's original trigger. I've heard many others complain about the long "take up" on them. The gunsmith that pit mine together, just cleaned it up, with some light stoning, it has a very light and crisp let-off.
 
#20 ·
Mine still has the original simple Zastava trigger in it, and it isn't too bad. It's certainly not a match trigger, but since I intend to put this rifle together with the thought that I may actually do some varmint hunting with it I will leave it alone unless I find it hindering the overall accuracy of the rifle.

Having grown up with old military and antique rifles I'm always surprised when I drag out one of my match rifles and have to adjust to the light trigger.
 
#21 ·
I'm always surprised when I drag out one of my match rifles and have to adjust to the light trigger.
I am just the opposite. In the summer I shoot a lot of benchrest. I am so used to a 1 oz trigger I can't figure out why my other rifles refuse to fire. I can get some wicked vertical stringing if I'm not careful. And boy a second stage messes me up.