Lehigh Defense Introduced Close Quarters Fragmenting Bullet

Lehigh Defense has introduced their new Close Quarters Bullets. In short, its a reverse RIP, designed for maximum penetration. Machined from solid bar stock, the round is a combination of an aluminum core and a pre-stressed jacket. When the round hits, the core will push back on the jacket to then fragment and launch the petals in their own unique directions.

Lehigh is starting the line with a 78 grain .308 round which is now available for purchase in a 300 BLK loading and as a separate round for loaders and reloaders.

Bullet Specs:

  • Caliber: 308
  • Bullet Weight (gr): 78
  • Length (in): 220
  • BC (G1): 249
  • Minimum Twist Rate: 1:10
  • Velocity (fps): 2,350-4,200
  • Box Qty: 50

Press Release Below:
Lehigh Defense Announces Close Quarters (CQ) Projectiles & Ammunition

Lehigh Defense announces the addition of a seventh technology (CQ) to our growing list of Projectile Technologies.

Yes, E=MCSq and it is a beautiful thing. Double the bullet weight and the energy doubles. Double the velocity and the energy quadruples. How can you beat that? We design the world’s most innovative projectiles, that is what we do and the center of this passion is science, not voodoo, science. Lehigh has harnessed old Al’s work on energy equivalency and channeled it to a new bullet technology; we are calling Close Quarters (CQ). This technology utilizes hyper velocity to effectively transfer enormous energy to the target based on mass-energy equivalence. Lightweight, high energy projectiles using powdered metal and plastic binders have been done before. Instead of fragmenting the bullet to dust upon impact, Lehigh has designed specific densities for the fractured petals providing applicable penetration and an effective energy transfer.

The CQ is a lightweight, hyper velocity design using an aluminum core and pre-stressed jacket. The aluminum core initiates the expansion slightly after contact, pressing back into the pre-stressed jacket and activating a violent, incapacitating energy transfer. The aluminum nose optimizes feeding and provides a barrier blind entry. The pre-stressed jacket separates into petals sized for appropriate penetration based on the specific cartridge. These petals, base, and core are all designed to penetrate no more than 18″, transferring a huge amount of energy to the target in a very short timeframe.

First CQ Product to be Released

The 300 AAC Blackout / Whisper* 78gr High Velocity (2,800 fps) Projectiles and Ammunition. This will make Lehigh the only company that can offer a complete line of 300 AAC Blackout / Whisper* Projectiles and Ammunition (From Subsonic to Hypervelocity).

* Whisper is a Trade Mark of SSK Industries

For information on Lehigh Defense go to:

For Ammunition Product Information go to:

For Bullet Product Information go to:

Click here to see a YouTube Videos of the 78gr CQ in action:

Dealer Contact:
Pete Vogel
(215) 536-4100

Nathan S

One of TFB’s resident Jarheads, Nathan now works within the firearms industry. A consecutive Marine rifle and pistol expert, he enjoys local 3-gun, NFA, gunsmithing, MSR’s, & high-speed gear. Nathan has traveled to over 30 countries working with US DoD & foreign MoDs.

The above post is my opinion and does not reflect the views of any company or organization.


  • MrSatyre


  • Slim934

    Hotchie Mochie!

  • Don Ward

    If it is the opposite of the RIP bullet, that means it must be inexpensive, plentiful and practical.

    • lucusloc

      LOL, nice burn.

    • spotr

      For those of you that live in central Florida, there are cheaper RIP style cartridges. This is Oathammo Tango bullet made by a local machine shop which normally makes high precision match grade ammo. Curiosity got to me and I had to pull one apart to see how it was made. This is 9mm pistol. They also make rifle ammo the same way. $30 for the box of 20 (or $20/box at the gun show from their sales team).

      • J.T.

        That looks to be more like a copy of the Lehigh Defense Maximum Expansion ammo (just with the nose cap added) as opposed to the RIP, which is supposed to come apart.

  • Dracon1201

    Unlike most other ammo companies, I do actually trust this to be mostly true. I’d like to see an independent test (As we will most likely see).

    I also wanna see more on and of the XP rounds.

  • patrickiv

    Isn’t “maximum penetration” bad for CQ? Collateral damage and all that. Armchair operator here.

    • James

      I’m confused myself. “maximum penetration”, “barrier blind” and yet “penetrate no more than 18 inches”. I’d like to see what it does to drywall.

      penetrate no more than 18″

    • Cymond

      OTOH, many people are concerned by the sub par penetration achieved by most rounds designed for dramatic expansion, like the RIP and Extreme Shock ammo. Many such rounds have been demonstrated to achieve less than 12″ of penetration in ballistics gel.

    • kyphe

      I think this is supposed to be maximum armor penetration not depth of penetration. it’s a tough job to be able to penetrate body armor yet not over-pen the target. By losing the petals after the initial contact the core loses mass and probably tumbles like mad.

  • TDog

    Gotta love the corporate use of military jargon to sell stuff the military can’t actually use. “CQB for CQB! It’s tactical!”

  • Jay

    “Yes, E=MCSq and it is a beautiful thing.” …”that is what we do and the center of this passion is science, not voodoo, science…”

    If that’s how they understand kinetic energy, then this is actually based on voodoo and not science.

    This is the formula that is used to calculate kinetic energy: E = mv2/2
    The formula he quoted above is for nuclear physics and “C” in that equation means speed of light.
    So yes…it’s bloody voodoo. 🙂

    • MattW

      I bet their marketing guy watches lots of The Big Bang Theory and felt oh so proud that he was able to drop some of his science knowledge on customers.

      • brainy37

        Somewhat irrelevant since if their round is dependent on “energy dump into the target” then the premise for the round is just as effective as voodoo.

        The only things I care about are whether the round fragmented at or past the 12″ mark and how far the fragments traveled. Since this is all dependent on the shape and cutouts on the bullet I would also like to see this test carried out according to FBI heavy clothing standards. We’ve seen hollowpoints fail miserably passing through 2 layers of denim. How would this fair passing through layered clothing in a self defense situation?

    • anon

      the actual formula for kinetic energy is ke=1/2mv^2

      • pun&gun

        Multiplying by 1/2 is mathematically identical to dividing by 2.

  • lucusloc

    Some perspective:

    308 average standard loading: ~2700 ft-lbs
    This round at max velocity (4200 f/s) : 3054 ft-lbs

    but I find it hard to believe that 308 would handle the pressure needed to get it to that velocity, so I estimate an optimistic max velocity of 3500 f/s for 308

    this gives 2121 ft-lbs, which brings it more in line with “lighter, faster, less energy” we see in other rounds.

    If this can get the round up to 4200 from a 308, that is actually really impressive. I suspect that is just the max velocity for this round to work as intended though.

    They do have a 300BLK that shows this trend as well, as the factory loading (78grn @ 2800 f/s) has 1357 ft-lbs of energy, which is a little under the 1400 ft-lbs I see commonly available (as long as you don’t mind super-sonic of course, sub-sonic loads are right in the 1200 to 1350 ft-lbs range, but that is not a fair comparison).

  • mosinman

    Don’t let the ATF see guys! They’ll think its anti-tank ammunition designed to defeat the frontal armor of the M1 Abrams tank!!!

  • mikee

    Reminds one of the Remington sabot .223/308 round of 25 years ago. Sort of came and went without too much fanfare!

  • noguncontrol

    Aluminum bullets? hasnt anyone done aluminum bullets before?

    • Pete in NC

      I think Aguila’s “Intelli-bullet” of a few years back may have been aluminum. I got some in 45ACP, very light bullet that was supposed to act like a solid on hard target material, and like a hollowpoint on soft. Not sure why they dropped it from their line, but it shot very well from my Colt 1911, no fails of any kind. I never had access to proper ballistic testing facilities, so I don’t know if their claims were valid.

      • noguncontrol

        Looks like winner if those claims are true. I’ve been doing research on AL bullets, turns out some companies are making AL bullets but coated with something to protect the barrel from fouling.

  • jeff k

    looks good .most if not all .308 ammo would rip right through that block of gel. it does what its designed to do . dump its energy

  • Core

    It was too painful to watch the video where a right handed shooter load a magazine into his AR with his right hand extremely slowly. What has been seen cannot be unseen..

  • Hunter57dor

    78 grain. 78 GRAIN!

    Right, lemme just open up my reloading books and find .308 win data for 78 grain projectiles……Oh right, it doesn’t exist.

    fat lot of good this does me. I mean i suppose I can work down from 110 grain projectiles but its just way too much work.

    I doubt this will get very far with reloaders, There are so many other choices of expanding projectiles that do not sacrifice bullet weight.

  • BubbaRay

    Just wanted to add to the whole ‘Derp Derp E=MCSq Derp’ pile on. Who let the marketing morons out of their cage without supervision?

  • Tierlieb

    The design of a classic Brenneke TUG bullet done with copper. Nice.

  • ghost

    Any time I over think something I get a headache. I stick with those tacky old fashioned rounds. But, choices are wonderful.