![]() Even in an AR, I still get the 300 Blackout/300 Whisper in a subsonic round when suppressed because it is very quiet. Not moving means you are a stationary target that is easy to hit, just like at the range. With the 240gr bullet, it was also very powerful for a subsonic round, delivering nearly 600 ft/lbs of energy or about 25-30 more than we currently see from the production 200-220gr rounds. Taking a taking a knee means you are not moving. In this case, shooting upwards is recommended.Īs for vectoring shots by taking a knee, that's for specific situations only, like shooting from behind cover. Also, when in close contact and shooting unsighted from the hip, shooting at the pelvic area is a level shot and not downwards. However, shooting someone in the chest is more likely to stop the threat than shooting someone in the pelvic area. That's one reason why shooting downward towards the groin is sometimes recommended no matter what ammo you shoot. When your life is in danger, you need to act fast and decisively. Whatever your intended purpose, extra-heavy bullets have something to offer over lighter bullet weights in the 9mm. Now what? What's your intended backstop? In many dynamic situations, there is no good answer for that. Also, you might just miss your intended target. It may just zip though its intended target. Remember, there is no guarantee that a JHP bullet expands. Never shoot at anything that you have not positively identified. While over penetration is always a concern, I recently read the occurrences of it happening and hitting an innocent is fairly unusual.Īs for over-penetration, rule #4 still applies: Identify your target, and what is behind it. I personally don't care for frangible ammo for SD use, but would rather someone carry that than FMJ, or God forbid not carry at all! Naturally if carrying FMJ ammo, over penetration is much more probable. QUESTION: What are the Benefits of Subsonic Ammo ANSWER: The primary benefit of subsonic ammo is the lack of noise produced after being fired (compared to non-subsonic rounds). If one doesn't train for this, or just train shooting paper from a typical stance with a 2-handed grip, then I'd recommend avoiding ammo designed for penetration and stick to typical JHP's for SD use, like HydraShok, Corbon, PDX, American Gunner, Golden Saber, etc. A bullet traveling below the speed of sound will not create a distinct sonic boom. Example, dropping to one or both knees to cause rounds to angle upward, shooting downward towards groin (pelvic girdle hit puts anyone down immediately), etc. The reason is my geographical location: people wear leather and thick jackets half the year.but I train to vector shots to avoid hitting with over penetration if it becomes a concern. ![]() I carry 220gr (45ACP) Hornady Critical Defense because I want the barrier penetration capability before the HP expands. Just a comment/thought about barrier penetration: We have to train for it.
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