Velocity VS Bullet Weight

Velocity VS Bullet Weight

This is a discussion on Velocity VS Bullet Weight within the Defensive Ammunition & Ballistics forums, part of the Defensive Carry Discussions category; Given equal shot placement, which do you think is more important. Bullet weight or velocity?...

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Thread: Velocity VS Bullet Weight

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    VIP Member Array Rollo's Avatar
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    Velocity VS Bullet Weight

    Given equal shot placement, which do you think is more important. Bullet weight or velocity?
    -It is a seriously scary thought that there are subsets of American society that think being intellectual is a BAD thing...


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    Senior Member Array IAm_Not_Lost's Avatar
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    I'm getting some deja vu here..... Those arguing for lighter bullets will say that they provide a bigger energy dump upon impact, better expansion, and less chance of "over-penetration". Those arguing for heavier bullets will state that penetration is by far the most important factor, thus slow and heavy wins the race.

    My firearms are loaded with 147gr Ranger T's. 24/8.
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    Member Array ShootNScoot's Avatar
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    Given equal shot placement, I think both will do just fine.

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    If it is a well placed double tap, do not think it would matter.....i would personally choose the heavier bullet, because as fast / slow as a heavy bullet travels out the end of a 45, does it really matter ? Not like it is gonna be dodged at 15 yards.....
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    VIP Member Array Bad Bob's Avatar
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    I like heavy and fast, as well as medium and fast. I just do not believe one is as effective without the other.
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    VIP Member Array SmokinFool's Avatar
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    I tend to carry ammunition that is "heavy for caliber," however I pay attention to bullet design above all else. I know there is no guarantee that a "premium" bullet will perform as advertised, but I do have more confidence in, say, an HST or a Gold Dot than I do an old school hollow point like the Hi Shok. The trick for ammo makers is to come up with a bullet design that will perform well at the desired velocity. Having said that, I do carry +P rounds in my carry guns.

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    Quote Originally Posted by Rollo View Post
    Given equal shot placement, which do you think is more important. Bullet weight or velocity?
    You need to put reasonable boundaries on that question. A finite example: a 95 gr 9mm at 1330 ft/sec (+/-), or a 147 gr at 990 ft/sec - which is about a +/- 25% range.

    But my knee-jerk response is that I would lean toward the heavier and slower bullet versus the lighter and faster. The heavier bullet is more likely to do "structural" damage to organs, blood vessels and bones by virtue of greater likelihood to penetrate more deeply than the lightweight bullet.
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    VIP Member Array ccw9mm's Avatar
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    Quote Originally Posted by Rollo View Post
    Given equal shot placement, which do you think is more important. Bullet weight or velocity?
    I'd have to see the penetration/damage testing results to have a good idea of which is preferable at the expense of the other. Clearly, the balance of features that produces the greatest bloodflow/CNS damage soonest is more valuable. Can't say one is more valuable than the other.

    My view has been that certain minimums in decent-quality ammunition are preferable to me, based on what I've read and tested myself (in hams/turkeys/beef). In 9mm, for example, I'm most comfortable with 124gr or greater, and ~1200fps or greater, assuming excellent reliability. But give me >400ft-lbs+ of force, every time.
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    Member Array nframe357's Avatar
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    I'm assuming we're talking 9mm here? I EDC 9's and they are loaded with Ranger T 127's, medium weight at high velocity. I have no use for 147's, they ballistically castrate the 9mm round.

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    Quote Originally Posted by Rollo View Post
    Given equal shot placement, which do you think is more important. Bullet weight or velocity?
    Both.

    Whether you believe that the terminal performance of a bullet depends on kinetic energy (1/2MV^2) or momentum (MV), both physical quantitites are directly dependent on the bullet's mass and velocity.
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    VIP Member Array Rollo's Avatar
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    Quote Originally Posted by gasmitty View Post
    You need to put reasonable boundaries on that question.
    Fair enough. The reason I was thinking about this was because of my recent experience with my jframe. I am seriously considering going back to carrying my SP101. While I usually say that .357 out of a snub is not a good idea, Corbon makes a 110g load that is actually quite shootable out of the the gun and maintains good velocity around 1100-1200fps. I am trying to contrast that against 158g .38 special loads moving aroun 800ish fps
    -It is a seriously scary thought that there are subsets of American society that think being intellectual is a BAD thing...

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    VIP Member Array gottabkiddin's Avatar
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    No doubt Weight....
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    VIP Member Array glockman10mm's Avatar
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    Rollo, with that question being more specific, I definitely say heavier and slower.
    Now, if that 110 was pushed up to 1400 or so fps, I would say either is great, but would actually really thought about the 110 at 1400. But at 1100, no thanks.
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    For energy transfer, velocity is most important since E=1/2mv^2. For momentum the two factors are equally weighted, i.e., P=mv.
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    Senior Member Array hayzor's Avatar
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    Quote Originally Posted by Rollo View Post
    Given equal shot placement, which do you think is more important. Bullet weight or velocity?
    It doesn't matter. It is all in the shot placement.
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