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It has to be done just right (made that way) and you get better performance.
Taking a OEM HP and then trying to add stuff to the H part produces little performance gains. I have tested many things many ways, and none of it much better than the OEM JHP I used to test with.

Plastic, foam, epoxy, silicone, epoxy topper over grease, glass bead in glue, convex and concave. None of it seemed to produce much better results.

I think the idea Hornady is using, is an enhancing plug that transfers axial force to lateral force helping to expand the shell. It's about the same as dropping a bucket full of water from 6ft in air into a full kiddy pool, what happens to the water in kiddy pool.

I use Federal 165gr Nosler Ballistic tip for my 3006. Best 3006 round I have ever used.

With OEM HP's, a mod is to enhance the grooves in the copper so that it rips open better. OEM grooves are axial, hence you get the std mushroom. If you add some swept grooves, when the nose grabs (along with the high rpm's) it will rip open like a spiral. Note the directiopn of the added grooves, it makes a diff if the barrel twist is RH or LH.

 
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Actually, pure sodium
Sodium in air creates H and heat. There will be enough heat to ignite the H, which is now mixing with the air.
Drop it in water and watch the show.

If I remeber right Supper Vels were like this .I have heard that some old hit men would pack garlic in 22 hollow points
Sea salt will at least make it "burn" like heck.

The theory I have heard most and makes most sense is that by filling the cavity the bullet is no longer a "hollow point" and not restricted by ignorant/anti gun/liberal/socialist/progressive/democrat states that ban hollow point ammunition.
Remember, the anti-gun crowd have no regard for technical facts, and they'll just say you had intent to make the OEM bullet more deadly, even if your filling made the bullet performance less than the OEM one. If they can't get you on a intent via modification, they'll try and say you chose a HP because it kills better.
 
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Discussion Starter · #46 ·
If I remeber right Supper Vels were like this .I have heard that some old hit men would pack garlic in 22 hollow points
I had heard the same thing, done to cause an infection the if the wound wasn't fatal, the infection probably would be.

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Discussion Starter · #48 ·
Why in the world, with all that is available in proven tested design, would anyone piddle with modifying bullets.
Like my granddaughter says when I ask her why she did something, "Because". :)

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I believe this is what @Jim Watson refers to: I bought them in the mid to late 70's while working for a wholesale sporting goods distributor. They now occupy space in my gun cabinet as decoration... Danny View attachment 646235
I have several boxes myself, in various calibers. The oddest ones are .44 Special. They still used the standard 146gr round nose lead bullet that were drilled. And the box contained 6 with R-P headstamps, and 6 with W-W. All have the same yellow paint/sealant.
 

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Discussion Starter · #53 ·
I have several boxes myself, in various calibers. The oddest ones are .44 Special. They still used the standard 146gr round nose lead bullet that were drilled. And the box contained 6 with R-P headstamps, and 6 with W-W. All have the same yellow paint/sealant.
Any possible way the box of .44 Specials was originally two boxes and years ago the remaining rounds were moved into one box? I've done that before with factory ammo.

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Hornady Critical Defense and Duty Defense are not gimmicks. The FBI chose Critical Duty after a lot of testing. Has great penetration and expansion under a wide variety of conditions including heavy clothing.
Another round I found interesting years ago when it came out was Magsafe. Very low weight, 64gr traveling at near 2000ftps. A bunch of lead pellets encased in epoxy for deep penetration and lots of expansion from scattering pellets. I shot some of it long ago, I wondered if such a light load would cycle properly. It did in a S&W model 39 and a Sig. I just checked and they still make it.
 

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Many years ago Geco made a 9mm hollowpoint round with a solid copper bullet that had a plastic insert in the nose that changed the shape of the bullet to the same profile as a round nose. They were said to have been designed to be used in MP5s that would notoriously not feed hollowpoint ammo. There was a small hole drilled in the center of the hollow cavity through the base that would allow gas pressure to blow the plastic tip out and leave just a hollowpoint bullet. I remember seeing pictures of car tires that had been shot with this ammo. They looked like the sidewall had been drilled with a 3/4" drill bit.

I still have a box of the stuff. Whoever imported it wrapped the original Geco box with a plastic strip that was marked "Blitz Action Trauma" and called them "BAT" bullets. The ammo was designed for German anti-terrorist police. I just looked and a search will provide much information concerning this ammo.
 

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Any possible way the box of .44 Specials was originally two boxes and years ago the remaining rounds were moved into one box? I've done that before with factory ammo.

Grumpy
Nope, these were a new box, on the shelf when a local shop closed many years ago. I bought several boxes of Exploders and packets of KTWs in various calibers.
 

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Why in the world, with all that is available in proven tested design, would anyone piddle with modifying bullets.
Why did the army choose a new crazy 3pc steel/brass 6.8 rifle round? Plenty of cots 308's and 6.8 SPC that comes very close to the "use once" 3pc ammo.

True, most OEM cots is good, but there's always something better. ;)

There's also cost. The std HP's we buy today are fairly easy to make, but the specialty stuff is more difficult to make and costs more. 50c/rnd vs 85c/rnd, makes a diff to buyers.
 
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Discussion Starter · #60 ·
Why did the army choose a new crazy 3pc steel/brass 6.8 rifle round? Plenty of cots 308's and 6.8 SPC that comes very close to the "use once" 3pc ammo.
If you are into wild theories, maybe they are going to these "un-reloadable" cartridges just to eventually cut down on the public's ability to make ammunition. But why would they do that unless they also banned importing the currently used ammunition? Wait, I think they did that!

Grumpy
 
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