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Old 02-14-2020, 10:03 AM   #11
Chase4556
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Originally Posted by deerchaser View Post
Thanks for all the post. I received the bullets the other day and inside the box is the suggested start charges and the powders that have been previously tested. They only tested alliant powders.
Can you post that info? And you ordered the fusion bullets? I’ve always liked their performance when shooting factory rounds.
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Old 03-20-2020, 02:46 PM   #12
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Federal doesn't normally sell reloading component bullets, much less publish reloading data for the bullets they feature in their factory loaded ammo. Federal and Speer are owned by the same group and Speer lists a Gold Dot bullet as a reloading component. Some say that they are the same bullet, an electro-bonded plated bullet. Speer lists reloading data for their .308 150gr Gold Dot bullets in certain cartridges. Here is a link to their 308 Win 150gr Gold Dot load data


https://www.speer-ammo.com/downloads...ld_Dot_150.pdf

Last edited by Anthony; 03-20-2020 at 02:57 PM.
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Old 03-20-2020, 02:53 PM   #13
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Here's an interesting article on the bullets.



https://www.shootingtimes.com/editor...bullets/370008



Some time back, while writing about Speer’s Gold Dot component rifle bullets, I mentioned that Federal Premium would soon be announcing a new series of component bullets. Those new bullets are part of the company’s Fusion hunting line, and I’ve been working with them in nine different cartridges. The smaller-caliber bullets (6.5mm, .277, and 7mm) are packaged 100 to the box, while the larger ones (.308 and .338) contain 50. The good news is that each box has a card inside with specific load data for two to four different cartridges using Alliant propellants and Federal primers.
Fusion bullets are manufactured in exactly the same way as Gold Dot rifle bullets—with one significant difference. Lead/antimony alloy cores are swaged to a prescribed shape and then electroplated with a precisely controlled thickness of pure copper. Then they are swaged to the desired final profile/diameter after the bullet noses are formed and skived to ensure reliable expansion. The Fusion bullets have a small boattail, again just like Gold Dot rifle bullets.
Because Gold Dot bullets are primarily intended for MSR cartridges—anticipating shooters will be firing many more rounds than hunters typically do—they are coated with a film of boron nitride (BN). The BN coating ensures Gold Dot bullets are “slippery” in the bore and effectively “smooth out” shot-to-shot pressure variations. The BN coating also provides for reduced jacket fouling so that cleanup is less rigorous.
For the new Fusion component bullets, I decided to follow the same scheme I’d used when testing Speer’s Gold Dot rifle bullets. I selected a propellant and charge weight that promised excellent ballistic performance for each cartridge. Then I prepped a box of brass and assembled 20 rounds. As you can see in the accompanying chart, I chose mostly popular cartridges but also included two or three that are not appreciated as much as their exemplary performances suggest they should be.


Reloading your favorite hunting cartridge with the Fusion component bullet is no different than when using any other hunting bullet. The abbreviated boattail base makes bulletseating much easier to perform properly. I found that although the Fusion bullet has a pure copper electroplated “jacket” instead of the gilding metal alloy jacket of conventional cup-and-core bullets, the load data for both designs is often comparable. Just start by reducing the recommended maximum propellant charge 5 to 10 percent and work up as velocity and accuracy results indicate.


Concerning the propellants used in this project, one would expect that spherical powders like Alliant Power Pro 2000-MR should—and did—meter easily and accurately in the Redding Match-grade 3BR powder measure I used. However, when I was charging the 6.5 Creedmoor handloads with Reloder 26 (a typical, larger-grain stick powder), I decided to see just how precisely the Redding measure would dispense the desired amount. After adjusting the measure to 44.0 grains, I threw a few more charges to settle the powder in the reservoir. I weighed the next 20 charges and was pleasantly rewarded with dispersion of only +/- 0.1 grain.
I fired nearly 250 rounds during four sessions at the range. Overall accuracy averaged 1.5 MOA compared to the near 1 MOA results I got with the Gold Dot rifle bullets. Velocity standard deviations did not exceed the low two digits.
I don’t usually do load development when reviewing a host of new bullets, but my initial results shooting the T/C Compass .308 Winchester were so abysmal I decided to try again without trying to wring out near max velocity. I reloaded the same batch of brass, using the same lot of primers and the same propellant. I dropped the charge of Power Pro 2000-MR 1.5 grains and lost about 100 fps in velocity, but I halved the standard deviation and achieved almost an inch better average accuracy. Faster doesn’t necessarily mean more accurate.
My recorded velocities for all loads closely mirrored Federal’s load data predictions, so I’m quite confident that my handloads topped with Fusion bullets will perform on par with factory ammo.
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Old 03-20-2020, 02:56 PM   #14
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And one on the Speer Gold Dot


https://www.shootingtimes.com/editor...bullets/359317


Speer’s new Gold Dot rifle bullets are not conventional cup-and-core jacketed bullets. Instead, they are made using Speer’s proven production process of electrodepositing a thick copper sheath on a swaged lead-alloy core before final forming and sizing. It’s the same method Speer developed to manufacture the Gold Dot personal-protection and law enforcement handgun bullets. Likewise, these new component bullets are targeted for cartridges typically chambered in AR-style rifles and carbines.
I tested 10 of the new bullets. I did not perform any load development but simply used the recommended propellant/charge weights/primers listed in Speer’s data, which technicians spent several thousand hours developing. I also didn’t push for maximum velocity charges, but I did choose recipes near the top of the charts. Overall lengths in almost every case were defined by magazine length because varying bulletseating depth to improve accuracy is not usually considered when handloading for the typical AR.
I quickly discovered that handling Gold Dot rifle bullets requires a bit more focus and dexterity because they’re coated with a slick, powdery residue. When I asked Speer’s Product Development Engineer Jeff Williams about it, he explained that the pure copper jacket is stickier than typical gilding metal (copper/zinc alloy) used on jacketed bullets. The boron-nitride coating makes them quite slippery in the bore—and also in your fingers—and it serves to smooth out shot-to-shot pressure variations. The coating also means reduced jacket fouling, so cleaning your gun should be easier.
I also asked if years from now we might learn that handling the boron-nitride-coated bullets will cause unexpected health issues. “Not likely,” Williams said. “The same compound has been used in women’s makeup for decades now with no apparent impact on their well-being.”


So two caveats to remember when loading Gold Dot rifle bullets: Use only Speer’s load data specifically developed for them and pay extra attention to holding onto them while seating them.


I prepped and loaded 20 rounds of each of 10 test loads with the intention of firing four, five-shot groups for record. Then I invited a neighbor, Jeff Cheatham, to shoot some of the test loads. Jeff is a recently retired Air Force NCO who deployed seven times to the Middle East and is very familiar with ARs. During the first range session, I fired three groups of each load and saved the rest for Jeff.
We spent the following Friday morning at the range, with Jeff firing 10 five-shot groups. Five out of 10 times Jeff’s groups beat my previously fired results. And his 0.56-inch group with the 120-grain 6.5 Grendel Gold Dot handload matched the best result for all 30 of my groups. Keep in mind he had never fired any of these rifles before.
As you can see by the results in the accompanying chart, the performance of Speer’s new Gold Dot rifle bullets was quite good. The overall accuracy for the 10 loads I came up with averaged a little more than 1 MOA.
Some of you will be wondering how the new Gold Dot rifle bullets compare to Fusion component bullets. Fusion bullets are loaded and sold by Federal Premium, Speer’s sister company. The main differentiator between the two is the boron-nitride coating, which is appropriate given the number of rounds typically fired in ARs. In addition, Speer is intent on keeping the Gold Dot brand focused on personal protection and law enforcement applications.
Speer precisely skives each Gold Dot rifle bullet nose in order to provide reliable expansion at typical AR velocities. That’s done to ensure that they will consistently and reliably penetrate typical urban environment barriers or whatever target a citizen may encounter.
After loading and shooting the new Gold Dot rifle bullets, the bottom line is you’ll likely achieve optimal AR performance at a reasonable cost with them.
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