G2 R.I.P. Ammo

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Jan 19, 2014
So here's an interesting concept that was shared with me on Facebook:

A new bullet from a company called G2, called the Radically Invasive Projectile.

It works much like a hollowpoint, basically a slug with 9 trocar points forming a solid circle. Supposedly the design of this 92 grain copper projectile is more efficient at penetrating objects from plywood to concrete to sheet metal, boasting 16" of penetration (from their website). As material fills up the hollow core of the round, the 9 projectiles are pushed apart from the base creating 9 distinct wound channels. There's also some talk of "acoustic shock", not quite sure what that's supposed to be or if it's real science. The bullet is all copper, containing no lead.

They also say that the bullet maintains its energy after hitting a solid object because the 8 points will cut out a hole and push it into the center of the round, allowing it to become a solid slug rather than be deflected, and preserving more of its energy.

I know there have been some super light high speed loads before (like 60 grain) with a similar idea: penetration followed by rapid fragmentation. I know that these rounds do fragment violently, but I have heard very poor things about their consistency. This round looks to be the first that I've heard of that actually modifies the shape of the projectile to make this happen.

I heard about this through a Facebook gun group and the one who told me about it said a single shot put a hog down well and did some devastating damage. I'm interested but want to see more extensive testing.

They also have plans in the future for .380, .357 SIG, .40, .45, and shotgun slugs. I don't have any word yet on the prices though.
Checked out the MIB. When the term "centrifugal force" is used under how it works the company loses all credit for understanding physics in my book...
To be fair, "centrifugal" has more or less become the common term for centripetal. Everyone knows what centrifugal means, chances are when you mention centripetal you'll have to try to explain how centrifugal forces doesn't actually exist...
A fact that my high school physics teacher lamented to no end. And after years studying aerospace engineering before switching majors I have no problem enlightening people; it's one of my pet peeves.

Page 294 in Webster's New Universal Unabridged Dictionary:

Centrifugal- tending to move AWAY from the center

Centripetal- tending to move TOWARD the center

Ummm.. if centrifugal force doesn't exist, why is it in the dictionary???? Inquiring minds wanna know.
so why is this bullet all that much different than the Geco BAT bullet that I believe was banned some years ago? I guess for that matter what has kept the solid copper handgun bullets from being banned? just curious
That G2 rip bullet sure would leave a mess for trama doc to try to patch up . Interesting bullet design. Bet its cheap??
What's the "equal and opposite" force to centripetal force? :D


Anyhow, on the RIP bullet, I wonder how well it feeds in your and my guns. Seems like there's a lot of hangy-uppy stuff on that ogive.

Their video of the full-auto is impressive, but were the guns tricked out for those rounds... or were they really using FMJ round-nosers in the video?

Sorry, but I've learned to distrust advertising claims --on all subjects, not just arms and ammo.

I might chamber one as a first round, but after that, if I have any doubts about feeding, the rest are as near to ball rounds as I can get. I do that in my new semiauto, which has fed ball rounds perfectly through 300 or so shots in both magazines. But with HP ammo prices so high lately, I don't want to go through 2 or 3 hundred of them to insure reliability.

So the first one, already chambered, is an HP (Golden Saber), the rest are good ole reliable ball rounds up from the mag. I think they used to call that "Dutch Loading." The second mag is all ball.

I'd rather use all HPs*, but I don't feel like spending a hundred or more bucks on expensive and spottily available HPs just to verify their reliability.


*At least in summer weather.
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Here is a picture and some video of it in ballistic gel. Looks frag nasty

from the article:

Defeats all known barriers such as sheet metal, sheet rock, windshields, plywood, heavy winter clothing

Since it defeats "all known barriers", doesn't that mean shooting it at all is too dangerous to attempt? The backstop is a "known barrier" and this will apparently defeat it. That should make the M1 Abrams tank crews nervous.

^<grin>, but I think they meant all the "usual" barriers that will be encountered in defensive shooting... "such as sheet metal, sheet rock, windshields, plywood, heavy winter clothing."

But I, too, immediately thought of the armor belt on a battleship. :D

Like, wow, man... hea-vy.

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