G2 Research RIP Rounds: Are They Up To The Hype?

March 29, 2019 7:00:00 AM PDT

RIP rounds

Those RIP Rounds We All Keep Hearing About

One of the things that we keep hearing about here at Alien Gear is G2 Research’s RIP Rounds. Customers will mention them, fans ask about them on Facebook and YouTube – and we do listen! – and so on. People wonder if they are good carry rounds and so on.

Contrary to popular belief, “RIP” does not stand for “rest in peace” or “requiescat in pacem” (“rest in peace” in Latin”) but rather “Radically Invasive Projectile.” These bullets have a novel design that promises to be the ultimate tactical nastiness. Hence, we get questions from people about whether or not this is the 9mm ammo to get.

Just like a number of other bullet designs, some folks wonder if they’re some sort of ultimate man-stopper. Are they? Well…we’re gonna talk about that.

RIP Rounds: What Are They?


Before we get into what RIP rounds are not, let’s dig into what they are.

The projectile is all-copper, so there’s no lead to be found. (Tactical AND environmentally conscious!) Bullet weight for RIP Rounds 9mm load is 92 grains, which gives them some zip (1250 fps for their 9mm ammo) due to the light weight.

The bullet itself is a copper hollow point, with a crowned nose kind of like Winchester hollow points (Black Talon, Ranger, PDX) though obviously with much sharper points. After casting, horizontal cannelures are cut into the projectile, followed by vertical channels cut into the projectile. This leaves a thin web of copper between the vertical spires that are created by machining the projectile.

I actually spoke with the factory guys at SHOT Show. Their bullets are CNC machined for quality control, so – anything else you might think aside – their process is geared around consistency. They aren’t making a novelty round for the sake of it; this is serious ammo.

The intended effect is that when the round enters a fleshy target, the spires peel back and break off into trocars. The trocars slow down rapidly, coming to rest at a relatively shallow depth while the core of the bullet keeps going. However, since copper isn’t as dense as lead, it doesn’t retain energy as well as a solid lead projectile and thus comes to a stop sooner.

In theory, this means that the core of the bullet gets deeper penetration, but the trocars break off and puncture vital structures like organs, veins and arteries and so on. As the philosopher RW Hubbard observed, it sounds nasty and it pretty much is.

But are they up to the hype?

RIP Rounds Are New But Use Proven Design Elements


Before we go further, it bears mentioning that RIP rounds are basically a new take on the high-velocity hollow point. The external channels and spires are new, but the basic idea – light projectile at high speed – is not the first of its kind.

Let’s dive a little more into that.

So, the thing about expanding ammunition is that you’re looking for a balance of factors in order to get the effect that you want from the bullet in a squishy target. This isn’t new; ammunition makers have been tinkering with this stuff for a long time.

You need enough mass so that enough energy is retained by the projectile as it enters the target to inflict sufficient trauma and penetrate to sufficient depth.

However, you also need enough velocity to get the round to expand; more velocity means more hydraulic pressure as it enters tissue, but – again – you also need a certain minimum threshold of mass in this regard as well. Too light a bullet at too fast a speed goes through soft tissue like Congress goes through the national budget. Too slow, and it just stops barely past the surface. Too heavy a bullet at too slow a speed won’t expand because there isn’t sufficient hydraulic pressure.

Again, this isn’t new information; handgun ammunition makers have been tinkering with this stuff for a long time. What G2 Research did with their RIP rounds is to introduce a new take on an old concept.

What a few ammunition makers figured out is that you could get reliable expansion by making a bullet go a lot faster. How do you do that? Load a lighter projectile and put a bit more powder in it. Some of you might remember or have heard of Super Vel or CorBon. Those ammunition makers figured that same idea decades ago, making light-for-caliber hot loads that would reliably penetrate and expand.

Super Vel started making ammunition in the mid-60s, with their 9mm or .38 Special loads being popular with law enforcement. Unfortunately, tax problems forced the company into shutting their doors in the mid 70s, but companies like CorBon and others followed soon after. They followed the same basic formula, making light-for-caliber +P loads that would penetrate deep and reliably expand.

This is why the 115-grain +P and +P+ loads were the standard for 9mm rounds for so long, despite conventional wisdom favoring heavy-for-caliber (eg 147-grain) loadings instead. They worked more reliably!

Thus, G2 RIP rounds are a variation on a theme, just with external cuts and spires rather than the internal relief cuts commonly found on CorBon and Super Vel ammunition.

Make bullet lighter, it go faster. Cut it, it expands more easily. Makes sense!

Should I Carry RIP Rounds?

carry rounds

Alright, now to the nitty-gritty…should you carry RIP rounds? Are they the tactical awesomeness in the .40 or 9mm rounds that most people carry?

The truth is that you should if you think they’re best for you. If your gun feeds them reliably, and shoots them accurately, they will do what they’re advertised to do. They’ve only been on the market a couple of years by this point, so there isn’t a track record of performance in real-world use to draw on.

What has testing shown, though?

RIP Rounds in most tests don’t penetrate as deeply as traditional JHP. They get close, but not quite as deep. The trocars break off as claimed. In other words, it basically does what they say it does.

A bit less penetration is actually okay; civilian-involved shootings basically occur within spitting distance, so you may not necessarily need to worry as much about shooting through barriers.

Again, there isn’t a history of case studies and field reports to draw on. What do we know about ammunition performance in real-world shootings that indicates whether or not it would be a suitable self-defense ammunition?

We know this ammunition slows to a stop in gel tests and even in meat targets. Thus, they are viable in that regard.

As to the novelty of the trocars into vital structures…this is where on-paper and real-world collide. Would it probably happen? Yes, but the thing is that you can’t predict nor assure where the trocars go. Therefore, it’s more that “they might.” Let’s say for the moment they do…will it work?

I’m no expert by any means; the guy writing this stuff knows about as much as everyone else does. Everything I’ve learned about terminal performance and so on is publicly available and discoverable if you want to reach your own conclusions. Based on everything I’ve learned about terminal performance in real-world defensive shootings, my guess is that they are no better than traditional hollow points, if anything.

You see, shooting a bad guy is an act of persuading them to stop their violent, threatening behavior. Decades of reports and information from police and civilian-involved shootings indicates that they are generally persuaded to do so when one of three things happens. First is the sheer shock of being shot. Second is trauma to the musculoskeletal system such that ambulatory function is seriously compromised. Thirdly is trauma to the central nervous system, which is normally fatal.

What does it most of the time? Psychological shock. The majority of people shot by a handgun survive and by an overwhelming margin.

You’ll notice that blood loss is not mentioned. Plenty of officer-involved shootings have documented people that were hit directly in the cardiovascular system and kept fighting, so it isn’t the reliable stopper you’d think.

So…are RIP rounds good carry ammunition? What evidence there is indicates they will work as intended, and they are capable of making a stop. Are they better than any other brand, box or design of defensive ammunition? I don’t know about that.

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