22LR is lethal, and under the right conditions, a. Remember, it is easy to kill with even the most anemic of bullets, but it is hard to incapacitate rapidly with even the most powerful bullets. The differences occur mostly on "edge cases" where shot placement is close to but not hitting vitals, however, a Barnes TTSX is going to do more damage to vitals and produce more internal bleeding than an FMJ assuming both strike the vitals, you may achieve incapacitation sooner with a center mass lung shot using an expanding bullet than an FMJ even if both are lethal in the end. A person shot directly in the heart with either is going to die, and a person shot in the bicep with either is probably going to live. A person shot an inch or so left of his heart with 300blk FMJ is more likely to survive than someone shot one inch left of his heart with 300blk 110gr TTSX. Expanding projectiles produce a wider wound track and more shockwave due to increasing the rate of energy transfer to tissue. But it isn't an absolute deal killer if you have to fight with FMJs, not like it would be for many hunters.ġ) Yes. It might not make a huge difference in the outcome, at least not a difference that will be measurable when compared to the difference good shot placement will make, but I personally would pony up for the best defensive ammo you can get, and do research. We are talking about your life though, so in other ways, it is a big deal and another half second of a bad guy not being incapacitated is another half second for him to get an (un)lucky shot off that kills you or another innocent. If the bad guy sticks around, well, it is a lot easier to take another shot, and another, until he isnt sticking around. If the first shot causes a bad guy to run away, you win. If the first shot causes a deer to run away, you lose. In some ways it is a bigger deal when you take a shot on a deer and have to track it for a mile and a half to shoot it again than it is to have the first shot fired at a bad guy fail to stop him. You can and should take as many shots as required to accomplish this when your life is threatened, and you should expect to fire more than one shot, which is dissimilar to hunting. For defense, you have succeeded if the bad guy leaves, surrenders, dies, goes unconscious, drops his weapon, or does anything that results in him no longer being a threat. Using these "recovers" some of the terminal performance lost by moving to 300blk out of an 8" barrel from 5.56 out of a 16" barrel, so you can be confident that the trade was worth it and you can still knock down a bad guy.Īlso keep in mind, a lot of what people say comes from hunting experience, where the expectation is that "good performance" is a single shot should put a deer on the ground immediately. Im talking about something like a Barnes TTSX 110gr. An expanding 300blk out of an 8" barrel at 100yds probably doesnt produce the damage that a 5.56FMJ out of a rifle length barrel at 100yds would, but expanding 300blk is still measurably better than 300blk FMJ. Plus, it offers very good penetration and range.īecause the round (when comparing equivalent bullet construction and barrel length) produces substantially less effect on target than a 5.56, for example, most people reccomend compensating by using "premium" expanding bullets to increase the rate of energy transfer and size of the wound track. Shot placement is the most crucial factor in ending a gun fight, and 300blk is typically fired from a stable platform with 3 points of contact to make shot placement much easier. It should in theory still provide benefits over a PCC or handgun. If it is all I had, I would not be upset if I had to shoot 150gr FMJ defensively. 7.62x39 is also known for being great at penetrating barriers. 7.62x39 has killed a lot of people, but is known for leaving clean, straight wound tracks that are not particularly devastating unless they pass very near to or hit vitals. This makes sense because of the similar bullet characteristics and ballistics. The effect of 300blk FMJ is comparable to 7.62x39 FMJ. 2k fps 30 cal FMJ bullets will bruise and damage tissue around the wound channel, but not vaporize it (figuratively) like 3k fps. They arent fast enough to do the nasty things that 5.45 or 5.56 can do, wrecking tissue which surrounds the wound via rapid bullet yawing and fracturing creating a shockwave. I dont have hard data, but I have done research on this.ģ00blk FMJ supers occupy a wierd space between pistol and rifle ballistics.
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