Home Forums Hunting & Shooting Deer Hunting 257 Roberts deer bullet

110 Accubond is a great quarter bore killer.

IMHO - Use the 115 Nosler Partition and you'll not be looking for another!

ive killed tons of deer with the 100 Nosler ballistic tip out to 200 yards.

My choice between those 2 at those ranges would be the Sierra. I have never used the GMX but I use Barnes TTSX and I don’t like them qhen impact velocity is below about 2500 fps on a deer.

We shot a couple does this season with a 100 SGK out of my .257 Rbts AI. Both deer died with one shot so I wouldn't say they aren't effective. However, neither exited and one on a small deer hit in the shoulder had a pretty big entrance wound. It did make it into the rib cage, destroyed the heart, and part of the core exited the rib cage and lodged in the offside shoulder. The big entrance and lack of exiting on a small deer makes me a little nervous if I were to hit a shoulder on a bigger animal. I don't mind bullets that come apart on deer sized game but I would definitely prefer something just a little tougher to insure that the bullet gets to the vitals. I would use them again but would pretty much stick to broadside rib shots.

I have a Bob AI and load a Combined Technologies 115 Grain Ballistic's Tip. Asolutely deadly on whitetail deer. If you want to shoot 100 grains get a .243. I never shoot at the shoulder with a .257 anythng or a 6mm-.243. Put it in the ribs. They're a lot thinner than a shoulder. You'll do better right behind the shoulder. The hearts right there. The heart's up front in a hog. When shooting my Bob AI or .243 at hogs I shoot for the neck. A hog has a huge neck, you can hardly miss it.

Yep. They tend to be accurate and preform very well on game.

I picked up a bunch of factory ammo in +P 120 gr. Partitions. Anyone have experience with these on white tails.

Thanks,

Dean

Kudu,
I Love the 120 Partitions as well as the 115's. Started reloading for the 25-06 back in the 80's with the old Sierra 117 BTHP's at about 2950 with amazing results on Michigan whitetails. In the 90's switched to 115 Nos BT's at about 3100 fps. Good results with them til a close shot on a heavy 9 point at about 50yds. Neighbors found him a couple of days later with a big chunk blown out of the shoulder.

Switched to the 120 Partitions for a while before settling on the 115's. My current rig is a Steyr that shoots the partitions better than most haters would believe. I have a target at home with a 10 shot group @ 200 yards you can cover with a quarter. I've used the 115's and 120's to take a pretty fair number of white tails from 25 out to nearly 300 yds, a couple of Fallow deer and 1 Red Stag (cull on an exotic ranch). So far, when I do my job I haven't needed a follow up shot. The stag is what really impressed me. 95yd shot quartering away. The Partition entered behind the near shoulder, busted the offside shoulder and lodged in the hide. Stag went 4 or 5 steps and just fell over.

So as long as your rifle shoots the partitions well, center the crosshairs, smooth squeeze on the trigger and enjoy your back straps.

I would go with the GMX. I've used the 90 gr. X bullet in my Model 70 FWT in 257 Roberts with great success. I've only had one animal take more than a step after being hit with it. I will use the GMX when I run out of the X bullet. The x bullet has gone out of production and the 80 grain fodder doesn't shoot well in my rifle.

Please confirm the bullet that you started with. Don’t recall Sierra making a 117 BTHP. A 117 BTSP and a 120 BTHP , yes.

117 Pro-Hunter, SGK or Interlock. All three have worked great for me loaded over 43.0 gr. of H4350. I get 2,800 fps from a 20" bbl.

Hmm, could be. That was thirty years ago. Once I found a load that would put the Partitions into nice little 1/2" groups I never saw the need to use anything else in that rifle.

Regarding the Partitions, what is the real difference between the 115 gr and 120 gr Partitions other than 5 grains in terms of performance? Happy Trails

I haven't found much difference between the 2. Both my 25's shoot the 115's and 120's equally accurate. I get maybe an extra 30-40 fps out of the 115's, so not enough to matter. I've taken several deer with each with great results. For a while, the 120's were hard to find in my local shops so I got kinda hooked on the 115's.

Also, for a while I was all about speed and back in the late 90's Nosler had a load for the 115's using RL-22 that listed at nearly 3200. This would put my 25-06 up near Weatherby speed so I had to try it. Accuracy was still pretty good for hunting, I think around an inch or so at 100. The problem was on warm days I would occasionally get pressure signs so I switched back to IMR 4350 which is the same load I'm still using. Pretty sure that may be why the load isn't listed anymore. Funny thing is that I haven't taken a deer yet that told me he could notice the bullet being slower.

2012 257 Roberts Ackley rimmed 115 gr Nos Bal Tip killed 4 deer out to 400 yards 3050 fps

2016 25-06 115 gr nos bal tip, 51.5 gr IMR-4451, 3.25" 3185 fps
QL predicts 3045 fps 58 kpsi using H4350 = 4.6% error
killed one deer

in my 25 caliber rifles i use either 100 gr. Nosler Partition or 100 gr. Swift A-Frame both just fine on bigger whitetails

Surprised no one has mentioned the 80ttsx. It's like bolt of lightning on deer at 3500fps.

I've actually had good luck with the Hornady's 117 gr SSTs, and 117 gr BTSP Interlocks on game. Both are good killers on WT and hogs. Since Sierra discontinued the 100 gr Pro Hunters I've been playing with Nosler 100 gr ballistic tips and 100 gr Hot Cors for grins.