Over penetration?

Discussion in 'Ammunition & Reloading' started by winds-of-change, Feb 7, 2012.

  1. winds-of-change

    winds-of-change The Balota's Staff Member

    29,430
    266
    83
    As I was cleaning my guns today, I got to wondering what my self defense rounds would do should I ever have to use them. I have a GP100 and I keep 158 gr, jacketed hollow point, .357 magnum rounds in it. Would that go right through someone or would that enter a body and stay there?

    Does anyone have any suggestions on what would be better to keep in my gun for home defense? I'm embarrassed to admit this but I just got comfortable enough to keep my guns loaded in my bedside safe. I was storing them unloaded. I am taking baby steps with this. I know it sounds stupid to you more experienced gun folk, but it wasn't more than 2.5 years ago I thought guns were 'bad'. I've come a long way and I'm still on my journey.

    Please be patient with me.
     
  2. Axxe55

    Axxe55 The Apocalypse Is Coming.....

    7
    1
    0
    WOC, for the most part, a jhp will expand and not penetrate. probably depends on where the bullet enters. the 158gr jhp was for many years the standard that other calibers were judged against, and still are to some degree. the 357 magnum is a fine caliber and choice for SD and will do an excellent job as long as you do yours.

    also, don't short change yourself. you know the difference between men and women who are new to something? most women are honest in their lack of knowledge about something and will ask the same questions as a man wants to, but is ashamed to, because he doesn't want to look like a rookie! some will even try to bluff and talk like they know more than they do. the only way to learn is to ask questions, even if sometimes they stupid. because, i bet there is someone else who would like to know the same answer.
     

  3. SSGSF

    SSGSF New Member

    1,160
    0
    0
    That will stop anybody that is going to try to mess with your sleep lol . But here is a website that mite help you

    www.internetarmory.com/handgunammo.htm
    Guidance is provided regarding selection of the best ammunition for a handgun intended for self-defense
     
  4. winds-of-change

    winds-of-change The Balota's Staff Member

    29,430
    266
    83
    I'm just worried about my choice of self defense round going clean through the BG and hitting something else. Like my fine solid plaster walls. :D No, seriously, like going through the BG and possibly hurting someone else behind him or actually having the bullet get out of the house.
     
  5. jordan89

    jordan89 New Member

    1,248
    0
    0
    As long as you can put the round in the target I don't think there would be any severe over penetration. It might exit the target but it will be mangled and have lost a significant amount of energy. I don't see it passing through a body then a wall into an innocent by stander.
     
  6. winds-of-change

    winds-of-change The Balota's Staff Member

    29,430
    266
    83
    How about passing through a body then into someone behind him. Let's leave out the 'passing through a wall' factor.

    I can put the round in the target though I have never shot under extreme duress and adrenaline.
     
  7. Josh1158

    Josh1158 New Member

    757
    0
    0
    Well, I once shot a 357 hornady leverevolution round into my sock drawer cuz I was wondering this too. I know maybe kinda dumb but now I know. Anyhow... It made it through the front 1/2 inch of wood and then like a good 6 inches into a bunch of sox. The bullet was in 5 pieces just about all over that side of the drawer. I shot it from maybe a foot away.
     
  8. jordan89

    jordan89 New Member

    1,248
    0
    0
    That I can not answer.

    Do you have other people in your house that you worry about hitting?

    If so the best thing to do is have an emergency plan. And designate areas that they are supposed to go to in the event this situation happens. Then just make sure that if you must fire that you are not firing towards that area.
     
  9. winds-of-change

    winds-of-change The Balota's Staff Member

    29,430
    266
    83
    Yes, exactly that. My 22 year old son is currently living in my home. If he were to hear a rukus and come down the stairs, he would be exiting the stairwell that is right outside my bedroom door. So he would be directly behind any BG in my bedroom doorway. Granted, I have 3 dogs who would be barking all this while so maybe he would come down the stairs before the BG could even gain entry. I don't know. I just would feel so much better knowing this round would stay in any BG I might have to put it in. :(
     
  10. pfev1980

    pfev1980 New Member

    223
    1
    0
    Over penetration depends on a lot of things, most of which are almost impossible for you to control in a high stress situation. Did you hit the BG in a rib or through the liver, does he weigh 300 pounds or 135, is he fat or muscular, is he wearing a t-shirt or a jacket and sweater...etc. Additionally, it's not likely you are going to fire once and he's going to fall over dead. You'll probably fire a few times and God willing put most of your rounds center mass, but even at the range we alway end up with that one round that ends up low right or high left with a mind of its own. No matter what round you use, it's imperative to know what's behind your target and weigh that into your decision to fire. Assume you are going to miss at least one round or one might pass through.
     
  11. winds-of-change

    winds-of-change The Balota's Staff Member

    29,430
    266
    83
    Good point, Pfev1980. I will have a talk with my son and we'll develop some plan.
     
  12. Ranger-6

    Ranger-6 New Member

    804
    0
    0
    Acually, I think the jacketed hollow point was designed so it would not over-penetrate. The idea of bullet expansion is like the thrust reverse on a jet engine, made to expand and slow it down once it is inside the target. However, the full metal jacket bullet is meant to go all the way through the target with no expansion.
     
  13. vincent

    vincent New Member

    4,123
    0
    0
    I know you gotta play the cards you were dealt, some great advice here but the best HD weapon is a shotgun. They can be had for reasonable prices and over penetration won't be so much of an issue, depending on your choice of ammo. Bird shot, while not AS recommended as buckshot, isn't going through any walls and, if I were a BG that got a snoot full of birdshot I'd have to rethink my plan. The shotgun is a MUST have for all shooters, got my Mossberg 835 pump for $200 new, box of 100 Federal for $20. C'mon...ya know ya want one!!! :D I think it's fantastic you are doing some forward thinking, proactive over reactive every time!! :cool:
     
  14. PanBaccha

    PanBaccha New Member

    3,054
    0
    0
    Well, for one thing I hope you are never in a position to have to use one. But if it ever came to that concentrate on center mass
    and do your very best to uphold the greatest urgency in the universe ~ the law of self-preservation. For you are precious to everyone on this forum.
    :)
     
  15. pfev1980

    pfev1980 New Member

    223
    1
    0
    Even a hollow point will pass right through the bicep of a 180 pound average joe. There are just too many factors present on a bad day to declare a round "unpassable" based on the idea that it expands a lot.

    You have to buy the least penetrating rounds with the stopping power you want, but be wary of your surroundings when you shoot. Hollow points are great for not going through the exterior walls of your house, but I wouldn't want my kid on the other side of a bad guy I was shooting at.
     
  16. jordan89

    jordan89 New Member

    1,248
    0
    0
    Talk with him and put a plan together. I'm glad that you're thinking about all the different scenarios that could happen! Much better to find a solution now so in the event something does happen no friendlies will be harmed.
     
  17. Jay

    Jay New Member

    736
    0
    0
    Situational awareness.... begin by taking a tour of your home...with your son... Identify the points of possible entry by an intruder. Relate those to where you and the firearm will be, (considering that if an intruder crashes in and you're watching TV, is the gun in the safe? :( ) Then locate the points in your home that will provide you with a shooting lane that will allow the least possibility of injuring a friendly, whether you have a pass-through shot, or a miss.
     
  18. Tackleberry1

    Tackleberry1 New Member

    6,165
    0
    0
    Winds

    I applaud you forward thinking and personal growth in regard to shooting sports and SD. KUDDOS'S.
    Regarding your choice of defensive caliber. It's an excellent choice and 1 I don't think could be improved upon in a handgun platform.
    The best possible weapon to have in ANY close quarters fight IS THE SHOTGUN but your .357 will do and I find no fault in your choice of load.
    Here is to hoping that non of us ever need it.

    Tack
     
  19. BlueTurf

    BlueTurf New Member

    1,038
    0
    0
    I have the same handgun. I have the GP 100 with a 6" barrel. I use the 158-grain HPs in my gun and I am not too concerned about over-penetration. There are too many variables involved to try to control all of them. In a self-defense situation the first and foremost objective is to stay alive and keep the ones you are protecting alive. As pointed out earlier it is wise to have a home defense plan in mind if you are concerned about having to deal with this situation.
     
    Last edited: Feb 7, 2012
  20. Vikingdad

    Vikingdad New Member

    14,922
    0
    0
    This!

    Situational awareness is critical. Do the plan with your son, where would he go and what would he do when X happens, the same for yourself. Keep in mind that the first thing to go to Hell in any given situation is your plan. Try to plan for that.

    Shot center of mass, shoot twice and evaluate. Is there more than one BG?

    There are countless possibilities.

    A well designed home defense round can over-penetrate but if it does and it hits a loved one behind the Bad Guy it is not going to cause the same type of damage as it does to the guy it passed through. I know, small consolation, but that's one way of looking at it.

    I prefer the Hornady Critical Defense for HD ammo.

    Your GP100 can fire .38 Special. If you use that it would be less likely to over-penetrate, but then you run the risk of it not putting the BG down in the first place. Some people will load three .38s and then three .357 Mag. I don't think that's a good idea myself though. It adds one more thing that can go awry (is the cylinder properly indexed to have the three .38's fire first?) Best not to tempt things that way.

    Best case scenario is you will never have to use your gun for this purpose.