![]() One of the earliest examples of a flash hider can be seen with the clamp-on conical flash suppressors used on Lee-Enfield Jungle Carbines in the later years of World War II, but the example that most shooters are probably familiar with is the A2 “bird cage” flash hider that comes standard on most AR-pattern rifles. This created an obvious problem as militaries around the world began shifting towards shorter, more maneuverable carbines – while increased muzzle flash also made the shooter a more visible target, the bigger problem was that it significantly impacted the shooter’s vision during night-time engagements, and in extreme cases could even cause temporary blindness. But with a shorter barrel, where there isn’t enough time for the powder to be fully consumed, the result is an almost instantaneous two-stage muzzle flash – the primary flash is caused by super-heated propellant gases trailing behind the bullet, and the secondary flash is caused by residual gases that ignite after being exposed to oxygen in the air, creating the infamous “fireball” that you’ve probably encountered if you’ve ever fired an SBR or shot a firearm without a flash hider (especially at night). When a bullet is fired from a typical long-barreled rifle, most of the propellant is burned before the bullet exits the barrel. While the name is fairly self-explanatory, the science behind flash hiders (also known as flash suppressors) is more complicated than you might think. Have you ever wondered how a flash hider actually works, or what’s inside a suppressor? Confused about the difference between a brake and a compensator? Or maybe you’re just curious which muzzle device will help you shave a second or two off of your competition time – whatever the case may be, you’re in luck, because we’re doing a deep dive on the different types of muzzle devices and exploring the pros and cons of each one.
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