Home Forums Reloading Big Game Rifles 7x57 Loads

I was getting three shot groups that had a small spread, usually with two vying for the same hole. I'll have to try it on bags sometime with these loads (45 RL15, 120 TTSX). 48.5 H414 with 150 PP were shooting several inches higher, but were running close. I was resting across a snowmachine seat with my knee for a butt support. Perhaps a better rest would help.

I,ll have to try RL 15 in my 7 X 57 my 7-08 does not like it?

Did you try it with the little bullets? I had always tried it with heavier bullets (139-160) and wasn't impressed. With 120s in two Barnes and one Nosler variety, it has been perfect. I never would have given it any more effort had I not been hearing good thing here on the fire.

+1

It shoots 139 grain Hornady's and 140 NBT's out of my MKII into less than 1/2 inch, 5 shot groups.

You need to approach any recommended load with caution. My load is "my" load. But... it is also a recommended load in at leasy one one reloading Manual I have seen (Actually 52.5gn).

I too, have owned a Model 70 in this chambering and I agree with you that 140's maxed out at about 2800fps. You will find this is more due to the tight twist in that rifle which was designed to shoot the only factory load Winchester made at that time, which housed the 175gn RN bullet.

In my Model 70, the most accurate load I tried was using 175gn Sierra BT's over 50gn of IMR 4831 for 2440fps. With the 140's, my best load was 51gn of IMR 4350 for 2846fps using the Nosler Solid Bases.

Hope this helps,

John

I tried 46gn of Rel 15 with both the 160gn Failsafe and 160gn Partition gold and the loads shot very well with velocities arounf 2740-2750 fps and good accuracy.

These loads would work very well on game up to Moose and Elk.

John

The OP's goal here is a 140gr bullet at 2800fps.

Some posters listed a specific brand 140 gr, others just indicated a 140gr bullet. Of the later, were any of those monolithic bullets?

Curious -

Wayne

When I have had 7x57's I always stuck a 140 Partition in it to kill things.And back then I used either IMR 4350 or RL19 to get over 2800 fps.

Always have to chuckle when I see Bob's sig line.

Very appropo on a 7x57 thread....

roundoak: Yes....many times I have felt so insecure about carrying a 270 that I have held off shooting because the animal was too small,in which event I would have over-killed it;or too big so that I would not have killed it dead enough...this may not make sense unless you realize there are varying degrees of "dead".......

.....the solution has been to get a rifle that was smaller....or bigger....as the case may be.

I have always been happier using a 7x57 because it is not as fast as the 270,and therefore kills with the first degree of "dead",as opposed to the second degree which is "too much" on smaller stuff.....

and because it has greater frontal area...(.007) is a LOT ) it kills to the second degree of "dead" on much larger animals ...thereby making it much more suitable on a wider variety of game...which die to varying degrees depending of course on the degree of "dead" required to kill them.....

Have you noticed the same things....yourself??? Huh!?

I have tried the 140gr TTSX and the 139gr GMX in my custom 7X57 with my recommended load of 50.0gr's of H4350 without any pressure signs.

Just came in from outdoors doing chores and pulled up your post. Very profound.

Can't say I have noticed the same things...perhaps after a few cocktails.

Huntr, thanks for satisfying my curiosity. I am always interested in learning more about the use of monolithic bullets in the 7x57.

Your 50gr H4350 load works well with cup and core 139-140gr bullets in 2 out of 3 7x57s I have. In fact one rifle handles the load with a 154gr Hornady InterLock.

Wayne

Best for comparing cartridges....

Bob you are correct...the 270 only kills critters dead... not deader than dead ...and critters only killed dead will rustle around in the freezer.. .

H4350 is your friend.

This has been my experience as well with 3 or 4 different 7x57s.

Can I get in on this?????

Cant help on the 140's, but if you decide to go heavier imr-4350 and 175's are heaven together in my rifle.

Gunner