50 Gr Combined Ballistics Load

Reloading info for the 5.7x28mm

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Toaster
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Joined: 09 Jun 2016, 20:06

50 Gr Combined Ballistics Load

Post by Toaster » 16 Jan 2017, 15:40

Started with:

50gr Hornady Red Tips
Ramshot True Blue 4.0-4.5-5.0
No Chrono

4.0 were slow ejecting.
4.5 were strong ejecting.
5.0 was firmer recoil, starting to mark the primer up, Flat/crater

Loaded all 1x brass with 5.0 TB and the 50 grain bullet. It was only a touch longer, so I figured I had enough wiggle room to increase the pressure.

All fired extremely well, no issues at all. Some with rings around the neck. Some I graphite tumbled finished bullet to see if any help with feeding. But there was no issues at all with either batch.

Brass Prep:

Quick SimpleGreen/Warm water rinse
Resize/Decap
Primer Pocket Brush/Uniform
Neck Trim/3way
UltraSonic wash
Inspect/Case Gauge
Sort by Weight/Firings

Prime
Powder
Bullet

Case Gauge
Final Assembly Weight (I like all projectiles within 1 grain. I'll pull the out-liars)

All turned out good. I think other powders might be better for it, they were relatively low volume, and the necks didnt seem too happy.

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I'll upload the fired brass in bit.

DoubleJ
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Joined: 10 May 2011, 20:20

Re: 50 Gr Combined Ballistics Load

Post by DoubleJ » 16 Jan 2017, 15:50

Did you work up loads in half-grain increments?

Reloading without a chrono is like reloading without a scale, especially with the 5.7

Toaster
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Joined: 09 Jun 2016, 20:06

Re: 50 Gr Combined Ballistics Load

Post by Toaster » 17 Jan 2017, 12:15

Yes I did, and this was the first cartridge I ever reloaded by myself. So ha!

I had a good idea where I was going to ~5.0gr. I had read plenty of other people's loads around a similar weight, and EA uses this bullet.

It isn't my first time dealing with precision though, I'm a biochemist and a mechanic in real life.

I watched the brass just like a sparkplug, assembled with the care of a test sample. Checking primers, necks, ejection. Fired the first time with a welding glove, heavy clothes and a safety team standing by ;P


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^^I think these are the 197s.. Notice the uneven neck movement on even the 197s, I noticed my loads were MORE consistent, and accurate.

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These were the graphite coated, notice the ring on the pencil shell.

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The Silver primers are all OE 197 loads

The Graphite really makes the ring easier to see. No weird primers

I take care in the things I do, I'm not one to get in a rush or half-ass stuff. I do my reading and try to keep myself out of trouble.

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panzermk2
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Re: 50 Gr Combined Ballistics Load

Post by panzermk2 » 17 Jan 2017, 12:28

:thumb:
Jay Wolf
Pr. Elite Ammunition

"Engineers, the oompa-loompas of science!"

Be'ein Tachbulot Yipol Am Veteshua Berov Yoetz
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DoubleJ
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Re: 50 Gr Combined Ballistics Load

Post by DoubleJ » 17 Jan 2017, 15:36

Ok, it's your hand. Good luck.
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panzermk2
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Re: 50 Gr Combined Ballistics Load

Post by panzermk2 » 18 Jan 2017, 05:57

His loads aren't unsafe otherwise I would say something.
Jay Wolf
Pr. Elite Ammunition

"Engineers, the oompa-loompas of science!"

Be'ein Tachbulot Yipol Am Veteshua Berov Yoetz
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NLVMike
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Re: 50 Gr Combined Ballistics Load

Post by NLVMike » 18 Jan 2017, 14:14

Nice work Toaster. I have been loading 5.7 for about a year now, and have worked up some loads similar to yours. Your pics give me some ideas for my own QC that I will add to my practice. FWIW, I use a chrono to test my loads, but based on the data in this website, virtually all of the loads have come out where I estimated they would. It's nice to have all this data, and Jay looking over.

DoubleJ
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Re: 50 Gr Combined Ballistics Load

Post by DoubleJ » 18 Jan 2017, 17:23

Didn't say the loads were unsafe, just don't agree with the method.

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