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9mm vs .40 cal… Brick Test

9mm is known for speed and penetration. 40 S&W packs more power and hits with more energy. What do these rounds do to bricks?

After seeing the results, are you changing your mind about your caliber of choice?

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  1. Bill Benner
    March 13, 2016


  2. Dan Bridges
    March 13, 2016

    I carry a berreta 380 a Smith 45 a glocke 9 the 380 is my concealed carry would like to see how it does

  3. Mark Forbert
    March 13, 2016

    Does it make a difference in that the .40 hit was closer to the top of the brick, and the 9mm hit toward the center?

  4. gary Miconi
    March 13, 2016

    Like to see 380 vs. 9mm

  5. Mark
    March 13, 2016

    You were shooting 115gr 9mm vs 180gr 40. Can’t you match the grains up a bit closer to each other for a more accurate test?

  6. Ralph
    March 13, 2016

    Great! He can break bricks. He should have used 10% ordnance gelatin. 10% ordnance gelatin closely resembles human tissue, which is why it’s used instead of bricks.

  7. Joyce
    March 13, 2016

    I am a weak, older female. I want to buy a gun to protect the members of my household. There are no men in my home. Should I buy 9 mm or 40 caliber ?

  8. rufus
    March 13, 2016

    9mm vs 40 jell mold

  9. March 13, 2016

    9 vs 7.62×27 Tok

  10. Tony A
    March 13, 2016

    40 vs 357 mag

  11. Alan
    March 13, 2016

    point of impact will make a difference in the outcome, with the 9mm you hit on a vertical break point, with the 40 you hit on both the vertical and the horizontal break points. that in itself may produce different outcomes

  12. chris
    March 13, 2016

    How about a 9mm vs a 10mm or a 10mm vs. A 40 cal. Or even a 10mm vs a 45 ACP I own a 10mm glock 29

  13. Earl Handy
    March 13, 2016

    I would like to see a test done with and actual wall which unlike a single brick won’t move when hit. Test different type of walls; brick, cinderblock and cinderblock that uses rebar and poured concrete! Also shoot at different metal plates that are restrained so they can’t move such as aluminum, copper, steel, etc I have done a test with 1/4″ aluminum plate using a 9mm luger fMJ and a .45 Auto FMJ and the 9mm punched a hole right through but the .45 made a dent without going through; the bullet was flat and the size of a half dollar with the jacket torn like an orange peal

  14. Don Foltz
    March 13, 2016

    How about doing the same thing 40 sw vs. 10 mm.

  15. James berna
    March 13, 2016

    Try a Sig p226 in 357 against the S&W M&P 40. Like to see those results!!

  16. Eddie
    March 13, 2016

    The shot with the 9mm was in the center line between the humps and you showed the divot it made, but with the 40 cal you shot higher at the very base of the hump which would break it off and send it flying down range, also you did not show the divot it made like you did with the 9mm! not a fair Comparison at all! don’t you think?

    March 13, 2016


  18. Grant
    March 13, 2016

    Why not make it a real comparative test: 125 grain 9mm vs 125 grain .40? Why not make sure the point of impact is the same for both shots rather than low for the 9mm and high for the .40? That would be a truer comparison would it not?

  19. jjohn
    March 13, 2016

    try using the same grain bullets in a 9mm and the .40. given the same powder load should do what the 180 grain .40 did otherwise the test in mute.

  20. Rusty Cisney
    March 13, 2016

    The results will be more similar to the 9mm if the .40 round is fired more along the center-mass line instead of just under the scallop on the paver.

    Also, nice emphasis on safety: no ear protection, and firing jacketed rounds at a surface that virtually GUARANTEES a ricochet from close range.

    I hope nobody actually considers you guys as a credible reference.

  21. JOHN
    March 13, 2016

    next time shoot them in the same exact spot and show results !!!!

  22. john cowgill
    March 13, 2016

    how about 9mm vs 22cal. vs380

  23. March 13, 2016

    The only reason it threw the pieces up is because you hit higher on the brick at a weaker point

  24. March 13, 2016

    The 40 hit higher than the 9, that’s what made the difference! Had they hit the same spot, i’m sure things would have been similar in the end.

  25. David spangler
    March 13, 2016

    How about a comparison between a 9mm and a 45acp?

  26. Monte Muller
    March 13, 2016

    9mm vs 357 sig please.

    March 13, 2016


  28. E.J. HUNT
    March 14, 2016

    How about 40 cal V 357 Sig

  29. Rick
    March 14, 2016

    Try .357 sig in the same test

  30. Andy Rodriguez
    March 14, 2016

    How about a .40 cal vs a desert eagle?

  31. Joe Friday
    March 14, 2016

    10 mm vs .45ACP on bricks

  32. March 14, 2016

    Can you do a 9mm vs.45 ACP

  33. Robert Wilbanks
    March 14, 2016

    compare a 454 casual against a 357 Mag

  34. Alex Hannula
    March 14, 2016

    I’d like to see the results of .380 against a 9mm. I’ve shot the .380 Colt and I wasn’t impressed at all. For close in, it would work but any distance and it reminds me of shooting 22 shorts against 22 LR.

  35. Mike
    March 14, 2016

    First of all, bullet weight is significantly different. 2nd, the impact point is also different. It’s higher on the .40 and 3rd, you didn’t show how much “penetration” there was with the .40 cal. If you are going to compare calibers you really need better controls for bullet weight and placement.

  36. C. W. Fowler
    March 14, 2016

    Pleases do a 9 mm vs 45 cal.

  37. John Esarey
    March 14, 2016

    Ugh, the engineer in me is screaming “lack of scientific value”. The 9mm was using a 115 gr bullet vice a 145 gr in the .40….and the impact point was much higher for the .40 cal and used a 180 gr bullet. This doesn’t show anything of value. Choosing the lowest bullet weight for one and max for the other, is at best, a significant over sight, at worst a disingenuous

  38. Leo Tereschenko,Jr.
    March 14, 2016

    9 hit center,40 hit high top. Of course it would chip a piece off the top. 127 gr. versus 180 gr. Not a fair test at all. That’s my opinion.

  39. John Weant
    March 15, 2016

    try a 357 sig vs 9mm on brick please

  40. herman
    April 10, 2016

    By the 9mm. 40 has a hard snap on firing that many fire difficult to control vs the 9mm. Buy a good “self defense” ammo and not a spit of difference.

    That test was bogus…. the 180 is the heaviest in a 40 and almost no one uses the 180. Everyone is the 140-165.

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