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Thread: Zeroed at 50yds, how far will it go???? Reply to Thread
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Topic Review (Newest First)
12-30-2019 05:53 PM
AguaMala Mine loves the 130 gr. An it’s put everything down no problems


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12-30-2019 03:59 PM
Trouthunter Unless you just have to have the 150 grain bullet, consider the 130. The .270 really likes that grain bullet.

TH
12-30-2019 12:28 AM
sgrem
Quote:
Originally Posted by stammster View Post
Steve...Hornady discontinued the Interbond bullet in the Superformance lineup. It’s just SST and GMX now. Stock up while you can. With that being said, IMO the SST is an excellent hunting bullet. I took a cow elk at 400 yds with a 165gr SST out of a 30-06 this year, and it was a perfect mushroom.

I’m not sure what powder they run in the factory 130 gr 270 win loads, but it’s 65 grains of some high density flattened ball powder. It’s definitely not the Hodgdon Superformance powder, but looks similar. However, it must have a slower burn rate to stay under max pressure at 65gr.

I can only get 3200 fps with a compressed load of H4831 or Reloder 26, with some seriously flattened primers and extractor marks in the case heads.
Oh man that's news to me. Well I have a ton so should last....

I will say I love the SST in lower velocities. Say under 2750 or so. SST in 6.5 Grendel, and then again for the reduced recoil loads for 270 win and 7mm08 are all right at 2750 fps and have performed flawlessly . Not such a fan at higher velocities for that SST bullet at typical shorter ranges.

Likely you had lost enough velocity out there at 400 yards for good performance. But typical shorter range shots at high velocity with the SST has been met with dissappointment. They blow up on thin skinned game at high velocity short range.
12-29-2019 11:30 PM
Chase4556
Quote:
Originally Posted by TheKodiak View Post
I understand. That's why I bought a Sig Sauer BDX combo. The range finder, scope, and phone app is suppose to do the math and then make the adjustments on the scope. I aimed at 300yds, but no adjustments were made. It was getting dark so I didn't take the shot. I really didn't feel like looking for it had I made a bad shot. The circle in questions is 4".
Before you take a shot on an animal, confirm all your data at a range.

No way I’d blindly dial in data without at least confirming it out to 200 and 300yds prior.

I will dial my dope into my RPR for any range out to 1200yds, but I’ve confirmed that dope chart, so I trust it’s correct.
12-29-2019 08:54 PM
stammster
Quote:
Originally Posted by sgrem View Post
I shoot 130s.

Superformance SSTs to practice with and Superformance InterBond on game. They have identical ballistic coefficients and velocities. The SSTs are cheaper. The Interbond perform better on game but more expensive. Great bullets both of them with identical point of impact.
Steve...Hornady discontinued the Interbond bullet in the Superformance lineup. It’s just SST and GMX now. Stock up while you can. With that being said, IMO the SST is an excellent hunting bullet. I took a cow elk at 400 yds with a 165gr SST out of a 30-06 this year, and it was a perfect mushroom.

I’m not sure what powder they run in the factory 130 gr 270 win loads, but it’s 65 grains of some high density flattened ball powder. It’s definitely not the Hodgdon Superformance powder, but looks similar. However, it must have a slower burn rate to stay under max pressure at 65gr.

I can only get 3200 fps with a compressed load of H4831 or Reloder 26, with some seriously flattened primers and extractor marks in the case heads.
12-29-2019 08:25 PM
sgrem I shoot 130s.

Superformance SSTs to practice with and Superformance InterBond on game. They have identical ballistic coefficients and velocities. The SSTs are cheaper. The Interbond perform better on game but more expensive. Great bullets both of them with identical point of impact.
12-29-2019 08:06 PM
stammster By the way, the G1 BC for that 150 grain Winchester bullet is 0.344, which is pretty bad. With the heavy weight bullet, the muzzle velocity is quite low, and combined with that BC, there’s a lot of drop. Basically you are shooting a round made for < 250 yards and severely handicappingi the true capability of the cartridge.

Now with that being said, if it shoots well in your gun, and you plan to shoot deer and hogs like the rest of us in South Texas, it’s still going to knock them down with 1 shot all day.

I use the BulletDrop Apple app.
12-29-2019 06:34 PM
sgrem Ok way way over thinking.

Sight in with a load your rifle likes 1.5" high at 100 yards. Then go hunt and shoot and enjoy. Keep shots at a reasonable ethical range to your ability and let her rip....

You can feed the planet with a 270. Anything in North America except dangerous bear and African plains game goes down with that 270.
12-29-2019 05:14 PM
stammster 270 Win is a great caliper, and has been for over 90 years. Don’t second guess yourself. For Texas whitetail and hogs - its lights out no matter which brand/bullet/weight you choose. Find a factory load that shoots well, and stick with it. Some guns like the 150 grain, and others don’t. Most shoot the 130-140 grain well.
12-29-2019 03:55 PM
RB II Here are a couple ballistic and twist rate calculators that will analyze the loads and rifle that you are shooting and provide good feed back as to what results you will get. You may have to research the specific bullet you want to shoot and the loads that are commercially available for those bullets to ultimately determine what works best for you.

All of that said, for all reasonable "hunting" distances (say out to 300 yds) a 270 sighted in at 1.5" high at 100 yds, you can use MANY different loads for those purposes with little to no adjustment in your point of aim/hold over.

https://bergerbullets.com/twist-rate-calculator/
https://bergerbullets.com/ballistics-calculator/
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