After applying some idiot math, educated guesswork and a couple prayers, we agree on “dope” that we think will splatter the 185-grain, T-base, FMJ bullet 1-inch high of center mass, just to be safe. The pressure to succeed is high, but the fact that live, friendly operators are positioned between us and the target raises the stakes to “no fail.” My partner ensures the line of fire is clear while we quietly develop the firing solution together. #Subsonic rounds vs regular fullEven so, this is the full dress rehearsal for a real-world mission we are on standby to launch any day. Fortunately, this is a training hit and our bad guy is a partially exposed “Iron Maiden” target. Hand-held ballistic programs are just a figment of someone’s imagination at this point, so we are truly without any useful data. They are basic safety items that protect your hearing. Suppressors aren’t just for military applications. Under the circumstances, making a daytime subsonic CNS shot would be difficult enough, but we do our best work at night and so here we are. Slight miscalculations in elevation adjustment equal misses measured in feet at this distance. The only data we have for our rounds’ trajectories is at 100 and 200 meters, and unlike supersonic ammo, this stuff is wholly unpredictable at any distance not previously confirmed. It is the mid-1990s, and we are new to the subsonic 7.62 NATO-ammunition game. Our goal is to ensure the assault force-which happens to be between us and the target-can get into position without being compromised by the roving guard that holds my attention at the moment. That we are shooting it for only the second time in our lives makes things particularly tricky. This would be a simple job at this distance, but we have a new and untested tool in our kit this night: subsonic match ammunition. Our task is to silently neutralize him with a central-nervous-system (CNS) shot. My sniper buddy crouches low over me, watching the big picture around us through his night-vision goggles while my attention is on the head and shoulders of a threat target 165 meters away. Rain-soaked fatigues and fogged optics are minor burdens compared to my other troubles. Awesome weapon.I am lying behind my Knight’s Armament SR-25 on a cold, wet autumn night. Hollywood quiet, but hit the steel targets like a sledge hammer. 44 Magnum bolt gun (Remington 788), loaded with 300 grain bullets handloaded to 1050 fps. For example, you can shoot suppressed rifles without ear protection, and while it's a good loud bang, it doesn't hurt your ears.īTW, the coolest suppressed gun I ever saw was a. Supersonic ammunition in suppressed weapons is still pretty loud (not like in the movies), but it is still substantially quieter than unsuppressed. Point of impact and effective range are very, very different from normal rounds, so normally, subsonic rifle cartridges are used in specialized, dedicated rifles. (Rough working estimate 1100 fps, but varying a little bit from there depending on atmospheric conditions.) To get them subsonic, you use an unusually heavy bullet and a light powder charge. If you are not going to use a suppressor, pick a load you like and don't worry about it. If you plan to use a suppressor, definitely pick a subsonic. 45 ACP/230/JHP marked "subsonic," but that's just stupid - it's all subsonic.ĩmm is right on the edge of supersonic/subsonic, depending on the barrel length and the loading. 45 ACP is suitable for offense, but not defense? I have a box of Winchester. 45 ACP is subsonic, with the exception of a few exotic rounds.
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