7x57 Remington Mountain Rifle range report

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303carbine

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Got this one for fathers day and topped it off with a Bushy 3200 Elite and first trip to the range it gets into an inch at 100 yards with handloaded 139 grain Hornady's.:D :) happy fathers day :)
 
7x57

The first load down the tube in the 7x57 was 45 grains of IMR 4895 under a Hornady 139 grain Interlock. :D
Yesterday I took the little 7mm out for a stroll and met up with a critter that was blocking my path out of the bush. :eek:
I was about 60 yards away from the critter and realized that all I had was a clear headshot. I extended the legs on the bi-pod and laid on the ground hoping the critter would pass by without incident. But this was not to be and a clear headshot became the only shot I had due to the tall grass. I put the crosshairs of the scope directly on the eye of the critter and gently squeezed the trigger. The little 7mm barked loudly sending a 139 grain Hornady bullet the short distance to the target sending the four legged critter over backwards into the dirt. It was a headshot just above the eye and the critter never knew what happened. :eek: I remember thinking, "it was him or me". I skinned and gutted it and through it over my shoulder and brought it home with me. I called a buddy and gave it to him and he said "thanks John, I haven't had rabbit stew for a long time":D :D
 
7x57

After more load development then the chronograph will be used. I am going to find the upper limits of the rifle and then check the speed. :) I have found the Hornady 139 grain bullets very accurate and I will be testing out some 140 Ballistic Tips very shortly and I have a few 140 Nosler Partition's. :D The gunnut I bought the rifle from was getting over 2900 fps with Hornady's 139 grainers over 51 grains of H4350.:eek:

This is the chronograph data fired from my Brno 7x57
53 gr H450----154 gr Hornady----2699 fps
45 gr IMR 4895--139 gr Hornady--2765 fps
 
303; I have had a 700 Mountain Rifle in 7x57 for several years, bought it new when they were first announced in one of my favorite chamberings. I use Norma MRP [RL22 very similar] behind the 140 Partition for very close to 2950 FPS. and it shoots under ¾" with that load. The 140 Accubond is shooting similar groups [3-shot] but is about 40 FPS slower. Still just above 2900, though, so this make a pretty good all-round load for the old warrior. I do shoot the 150 and 160 grainers as well, and they all shoot plenty well enough to hunt at 7x57 ranges. Regards, Eagleye.
 
rabbits in June

Hi Levi, here on Vancouver Island the rabbits are an introduced species and can be shot anywhere its legal anytime of the year. :D Lots of practice for the .338, 7x57, 22-250, .303 ,12 gauge etc.:)
 
What do you mean with "upper limits"? I assume "fastest"? Wouldn't a better approach be to find the "most accurate" load and then check the speed? If speed is an issue, why not buy a 7mm RM? Seriously, I have hunted the spectrum of game with a 7 x 57, using 175 grain bullets at 2,400 fps. I found "speed" to be counter-productive - less penetration, more bullet break-up, more likely to wound. What is the obsession with speed all about? Maybe in 25 years of hunting, for myself, as a professional hunter and hunting outfitter, and hundreds of game animals with a 7x57 I have missed something?
 
I have been working up slowly in my rifle and the best loads seem to be near the max if not just shy of max, I usually look for max if it is shooting well and back off a grain or a grain and a half for safety sake.
Some are content to use the old standby which is cool, some like to find the limits, hopefully they use their heads and not keep it realistic.

Johan, what kind of load did you use behind your 175's?
Sorry guy's if this is curbing the thread. This 275 Rigby seems to be quite popular around these parts and I would love to get every drop of info I can find.
 
7x57

What I mean by upper limits is accuracy and velocity together without sacrificing safety. :) I have had lots of 7 mags and even though they are very good I am looking to try something different. :D I am possibly going to have a 9x57 or something similar built just to try out something different :p
 
What do you mean with "upper limits"? I assume "fastest"? Wouldn't a better approach be to find the "most accurate" load and then check the speed? If speed is an issue, why not buy a 7mm RM? Seriously, I have hunted the spectrum of game with a 7 x 57, using 175 grain bullets at 2,400 fps. I found "speed" to be counter-productive - less penetration, more bullet break-up, more likely to wound. What is the obsession with speed all about? Maybe in 25 years of hunting, for myself, as a professional hunter and hunting outfitter, and hundreds of game animals with a 7x57 I have missed something
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I tend to agree with Johan22 here, My 30/06 with 180gr bullets chrony's at 2500fps so what's the real difference between that and 2400 175 grain?
 
No real big difference except the 7mm 175gr will penetrate more and shoot a bit flatter (higher B.C. and S.D.)
These might be right in line with factory loads I imagine, since they have to be able to be used in many different firearms spanning 100 years!

Hey John, is it hard to find projectiles for that 9 Mauser?
I picked one up at the gun show last weekend, looks like a real nice caliber to pack in the bush. The bullet measured .3565" to .357". Might have to get bullets and brass from Europe or somthing??:eek:
 
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Boer seun said:
I tend to agree with Johan22 here, My 30/06 with 180gr bullets chrony's at 2500fps so what's the real difference between that and 2400 175 grain?
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So you may as well be shooting a 300 Savage rather than a 30-06, right? While I agree that those long 175 grains RN bullets work best at lower velocities, the 140 Partition is very comfortable at 3000+, so driving it at the potential of the 7x57 [+-2900] should be no problem. If I want 3300 or so, then I will shoot them out of my 7mm Mag.EE
 
303carbine said:
Noel, there ya go burstin' my bubble. Well then I may have to go with a 35 Whelen or 338-06.......:p
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Sorry buddy, not the intent. It was more a question than anything. Before last weekend I never knew they existed. When I saw it I thought wow, this would be a cool toy to have, until I measured the slug dia. last night.
There is also a 9.3x57 (.366" dia) that may suit your fancy. There aren't alot of choices for the 9.3 either but at least they are out there.

Does anyone out there know if all the #x57's came out in 1884?
( 7mm,8mm,9mm, etc)
 
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