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 Post subject: 7x57 Mauser -Rem 700 with RL17 & 150 grain bullets
PostPosted: Wed May 15, 2019 9:15 am 

Joined: Mon Sep 11, 2017 8:13 am
Posts: 19
Hello all,
Looking for firsthand experiance please
Loading for a Rem 700 7x57 Mauser
Loads will be with 150 gr ABs or partitions
Powder would be with RL17 ..
---Im about to try RL 19 in the next week so any comments on experiance on that powder and bullet weight would be welcome

In a perfrect world this will be a 2,800-2,900 fps load and will be used for elk and muledeer.

No experiance with RL17, read good things about it but NO ONE has published data with this cartridge!


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 Post subject: Re: 7x57 Mauser -Rem 700 with RL17 & 150 grain bullets
PostPosted: Wed May 15, 2019 3:23 pm 
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Joined: Fri Mar 02, 2018 6:15 pm
Posts: 59
Location: Adirondacks
Do they make a 150 accubond, now (other than the LR)? Your question about data sounds like a good one for Quick Loads... I've never owned a 7x57, but I do reload for a 7mm-08 and I'd guess that the velocities you're hoping for are very optimistic.


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 Post subject: Re: 7x57 Mauser -Rem 700 with RL17 & 150 grain bullets
PostPosted: Wed May 15, 2019 4:24 pm 

Joined: Sat Dec 11, 2010 10:13 pm
Posts: 1315
"No experience with RL17, read good things about it but NO ONE has published data with this cartridge!"

I can only relate what has worked for me. I used a Winchester M70 Featherweight with 22" barrel. I think you can easily reach 2700+ FPS with RL17 and frankly possibly a lot higher. Start maybe two grain lower than load #1 and work up.

Here is what I got.

47.0 gr. RL17. 150 gr. Nosler Partition, Winchester brass and standard primer. Velocity 2710 FPS. Three shots groups slightly under one inch. ES 26 FPS (I settled on that load for now but will work on the higher speed loads when it gets a bit warmer.)

47.5 gr. Same Components velocity 2751 FPS Group 1"x3/8" dispersion in the horizontal. ES19 FPS

48.0 gr. Same components 2743 FPS two shots .375" one flyer making group 1 1/4". IIRC I called that one out.
ES 30 FPS

48.5 gr. Same components 2847 FPS two holes touching and one .50" high with maybe 1/16" horizontal dispersion. ES39 FPS

I did do a bit of work with the 150 gr. Nosler Accubond but so far none of my three rifles like that bullet. I did reach 2900+ FPS with it as it has a lot less bearing surface but accuracy was worse than dismal. I'm hoping I find something that works with that bullet as I think it would be very good with the velocities attainable in the 7x57.

Hope this gives you some help finding a place to start.
Paul B.

I have no idea if your Remington will like those loads for pressure or accuracy and only post the results I got.


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 Post subject: Re: 7x57 Mauser -Rem 700 with RL17 & 150 grain bullets
PostPosted: Fri May 17, 2019 9:50 am 

Joined: Mon Sep 11, 2017 8:13 am
Posts: 19
Results promising
150gr LRAB with 51.0 RL19 - as per the manual, produced 2,906 fps ave of 5 rounds and a 5/8" group at 100. I will test more rounds over the chrono and on paper before I change to another powder, but at this point I am pleased with the initial results.
The bearing surface on the LRABis .454 a good bit less than the Partition of the same weight and I think that is contributing to the velocity and no pressure signs.
Many concerns on the web about the optimum velocity range for the LRAB? For the intended use of Deer and Elk in the 0-300 yard range I dont see an issue? Any thoughts from the (highly educated) peanut gallery?


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 Post subject: Re: 7x57 Mauser -Rem 700 with RL17 & 150 grain bullets
PostPosted: Fri May 17, 2019 3:24 pm 

Joined: Sat Dec 11, 2010 10:13 pm
Posts: 1315
"Any thoughts from the (highly educated) peanut gallery?"

Dunno about the highly educated part unless it's from the school of hard knocks from which I graduated summa cum loudly black and blue. (y)

Seriously I'm only quoting what the guide I did at least four hunts with told me. He said that the elk he saw shot with ABLRs didn't hold up too well until out at 100 to 200 yards depending on the cartridge. He felt they were a bit too destructive on shots less than 100 yards.Just his opinion based on elk he saw shot with the bullets.

My thought was when first trying the 150 gr. ABLR in my 7x57s was it could possibly give me a good 50 yards more range should I need it. I do all my elk hunting on a private ranch these days and I've take six elk from the ranch. Closest was last year's at 50 to 75 yards and the longest shot I've had to take was 350 yards. I thought the ABLR might be a good choice for my Mauser or M70 FWT.

I do wonder just how well that bullet will hold up if the shot is out to 150 yards or less. Probably on deer it shouldn't matter too much but I only hunt elk these days so I worry about penetration.

Congratulations of finding an accurate load with that bullet. Maybe there's hope for me in finding one for my rifles. :roll:
Paul B.


Last edited by PJGunner on Sat May 18, 2019 12:28 pm, edited 1 time in total.

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 Post subject: Re: 7x57 Mauser -Rem 700 with RL17 & 150 grain bullets
PostPosted: Sat May 18, 2019 8:05 am 

Joined: Sun Dec 24, 2006 12:20 pm
Posts: 29087
Location: Northern Virginia
I’ve been using 17 in the 7x57 with 150 Partitions and Accubonds out of a M70 Featherweight for a few years. Not sitting near my book right now but both loads run at the 2900 mark and accuracy is always less than an inch or better. Shot the combos out to 600 enough to know it’s a solid combo.

Waiting for the plain old 150 Accubond to hit the streets and will likely give that one a go. Kind of the best blend between the Partition and Ballistic Tip.

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 Post subject: Re: 7x57 Mauser -Rem 700 with RL17 & 150 grain bullets
PostPosted: Sat May 18, 2019 12:32 pm 

Joined: Sat Dec 11, 2010 10:13 pm
Posts: 1315
"Waiting for the plain old 150 Accubond to hit the streets and will likely give that one a go. Kind of the best blend between the Partition and Ballistic Tip."

Dunno how the Accubond will perform but so far my luck with the ABLR has been all bad.I've tried various eating depths to no avail yet others have gotten good groups right off the bat, Guess it's the luck of the draw.
Paul B.


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