257 Roberts using 85 grain Ballistic Silvertips

tones

Beginner
Jan 15, 2007
3
0
Does anyone have load data for 257 Roberts (Ruger M77) using 85 grain ballistic silvertips with H380? Thanks!
 
From Nosler #5: H380 using CCI 200 Primers
Max - 45.5gn @ 3258fps
Starting - 41.5gn @ 3028 (listed as most accurate)
 
The 100 gr BT is a great all around bullet for the 257 Bob, varmints, predators, deer with a single load. Somrthing to consider.

JD338
 
JD338":3dwiqmn2 said:
The 100 gr BT is a great all around bullet for the 257 Bob, varmints, predators, deer with a single load. Somrthing to consider.

JD338

I may try the 100gr. I was using 120gr pt, now I'm using 115gr BT for hogs/deer. Now, I'm in the market for a varmint load. Any powder ideas would be welcome.
 
Here are my pet loads for my 700 Classic 257 Roberts.

100 gr BT
45.0 grs IMR4350
R-P Case
Fed GM210M primer
.5 MOA

115 gr BT
43.0 grs IMR 4350
R-P Case
Fed GM210M primer
.7 MOA

These loads are safe in my rifle, work up slowly.

JD338
 
I don't have a different load for varmints anymore. At one time I loaded 87 gr Speer Sptizer with H-380 for coyotes and such but they blew a bigger hole than the 117 Sierra BT I loaded for Deer. So now I use only the Deer load which currently is the 115 Nosler BT loaded with 49.5 of Reloder 22 for 3050 fps. In the "Bob" the recoil ain't much of a consideration, considering neither load has much and the bullets are about the same cost too. So to make a long story short, you don't really need a "varmint" load and "deer" load in the "Bob". Use the 115 or 100 and don't look back.
 
Ive had some good results w/ 85 Grn. CT's in my 250 Savage- just a little slower than your Roberts. I know its the competition but the 75 grn V-Max from Hornady is in a neck and neck race for top accuracy with the 100 Grn NBT. Loads w/ the 75 GRN'rs kick less which is nice for varmints.

100 Grn'rs are my favorite too but there is nothing wrong with a little experimentation IMHO :) CL
 
I also have some H4350 but I've only found load information using IMR4350 for my 257 Roberts, 85 gn loads. Any suggestions?
 
H4350 is a tad slower burning then IMR-4350, so if you start with the IMR-4350 data, you'll be fine. The h4350 will probly take 1-2g more for a MAX. 85g NBT in a 257 BOB would be ok for deer I would think, awesome for varmints.
 
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