#308 subsonic ballistics crack
First, you eliminate the sonic crack altogether, and the suppressor is also able to better mitigate the expansion of the gases in these rounds, resulting in even less sound. Most of the time, the purpose of using subsonic ammo is to keep your sound signature to an absolute minimum when shooting with a suppressor. You still hear the round being fired, but you will not hear a supersonic crack because it is nonexistent with this caliber. It is inherently subsonic due to its relatively heavy projectile that keeps its speed below 1,100 feet per second. If your bullet is traveling slower than the speed of sound (1,100fps), then it won’t break the sound barrier and produce the sonic crack associated with traditional gunfire. That slower speed is the key to the effectiveness of subsonic ammo. This serves two purposes: it retains more energy while also slowing the bullet’s speed. Subsonic ammo of any caliber is usually going to be loaded with a heavier projectile. What is Subsonic Ammo and How Does it Work? That distinctive “crack” from a gunshot is inherently present in all but a very few off-the-shelf, run-of-the-mill caliber loads. Whether you knew it or not, supersonic ammo probably makes up almost, if not all, of the ammo you’ve ever shot before. As a result, it does not break the sound barrier, so it won’t make that distinctive crack. This is because a subsonic bullet is traveling slower than the speed of sound. *NO CRACK* When you shoot subsonic ammo, you won’t hear the same crack as you do with supersonic ammo. When it breaks the sound barrier, you hear that sonic crack. This is because supersonic ammo is propelling the bullet faster than the speed of sound. *CRACK* Each and every time you pull the trigger on supersonic ammo, you hear that sound. If you’ve spent any amount of time shooting, you’ve probably heard the terms “subsonic” and “supersonic” mentioned before – especially if you’ve spent any time shooting with a suppressor.īut what, exactly, do these terms mean? Where did they come from? And, most importantly, why do they matter? We’ll cover all of that in this article! A Rundown of Subsonic and Supersonic Ammo
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