This is typically a result of the shockwave being redirected to the sides as opposed to the sound itself. Other shooters in close proximity will often find the sound to be louder than normal. ![]() The reason why they sound so loud to shooters on the range is that a muzzle brake is designed to vent the gasses to the sides of the muzzle instead of just letting the gasses flow straight out of the muzzle. They don’t necessarily make the shot louder, although it sounds that way. They add up to 3 inches of length of the barrel, will slightly reduce the velocity of the round, and they are LOUD. In all fairness, muzzle brakes do have a couple of disadvantages. ![]() While a flash hider is intended to reduce visible flash, a muzzle brake is designed to reduce recoil inherent to larger cartridges such as the 7.62 and typically does not reduce visible flash. Best AR15 Muzzle Devices Faxon A2 Birdcage Flash Hiderīest All-Around Flash Hider for the Money The reduction in recoil allows the shooter to retain better control of the weapon for follow-up shots. The muzzle brake redirects the escaping gasses to the sides (180 degrees from the shooter) reducing the rearward recoil of larger caliber rifles. Consequently, the visual signature of your position will be much harder for others to see and identify. Hiding or eliminating the muzzle flash is extremely important when shooting at night or during low light conditions. Generally the shorter the barrel, the brighter and more violent of a flash you’ll experience. The flash hider is designed to disrupt the escaping gasses with the goal of greatly reducing or eliminating the muzzle flash. Depending on what your needs are, the right muzzle device will enhance the performance of any AR-15. What are the Different Type of Muzzle Devices?Įach of the different muzzle devices serves a specific purpose. This redirection of the escaping gasses counters a portion of the rearward movement that produces felt recoil in the hands and shoulder. The flat, wall-like surfaces of the muzzle brake’s chambers redirect the escaping gasses to the sides of the shooter instead of downrange. Muzzle brakes reduce the amount of felt recoil. Flash hiders are designed to disrupt that reaction to the oxygen-rich air, thus reducing or eliminating the muzzle flash. This chemical reaction causes a brief but bright fireball known as muzzle flash. The ‘un-burnt’ gasses that leave the barrel have a tendency to combust when it comes into contact with the oxygen-rich air outside of the gun. Most of the gasses are burned up in the process depending on the length of the barrel, but there are some that escape the muzzle as the bullet leaves the barrel. When it comes to choosing the right muzzle device for your firearm, it ultimately depends on your shooting style and personal preferences. On the other hand, flash hiders are designed to minimize the visible muzzle flash and protect the shooter’s vision during low-light or nighttime conditions. Muzzle brakes are made with the purpose of reducing felt recoil, resulting in improved accuracy and the ability to swiftly fire follow-up shots. Almost all AR-15 rifles have a threaded barrel, so this is something anybody can do without having to pay a gunsmith or your local gun shop to install. To be entirely sure of these results, I actually shot them all twice, on four separate days.Īs you can see, there is a pretty clear line between muzzle devices intended to reduce recoil and those intended to reduce flash.If you’re looking for a quick and easy way to customize the look and performance of your AR-15, start by upgrading the muzzle device.Ī muzzle device is exactly what it says a device that attaches to the muzzle of your rifle barrel. 223 and 5.56 in my house, I used 5.45 to measure sound pressure levels at the shooter’s ear. These numbers represent the average of 10 shots.Īfter I had expended every round of. If you would like to read some scientific papers regarding muzzle blast and gunshot acoustics, read this, this, or this.įirst, using the military standard of 1 meter left of the muzzle and 1.6 meters above the ground, using Speer Gold Dot 64gr 5.56mm. Considering that a 10 decibel difference makes something sound twice as loud, these differences should not be considered entirely minor. We are dealing with degrees of very loud here, but the difference between the loudest and quietest device (measured to the left of the muzzle) was approximately 8 decibels. A rifle firing supersonic ammo without a silencer? Very, very loud. Even a silenced firearm with subsonic ammo makes noise. ![]() Of course, all firearms are going to be loud. Since I forgot to take a better photo of the device, here’s a cell phone pic.Īs with the previous installment, scroll down to the charts if you’d just like to see the results.
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