First Round Pop Explained: Why Your Suppressor is Loudest on the First Shot

By Brent Spicer

For many firearm enthusiasts and professionals who use suppressors, the phenomenon known as “first round pop” (FRP) is a familiar but often misunderstood occurrence. This effect, where the initial shot through a suppressor is noticeably louder than subsequent shots, can be frustrating for shooters seeking consistent sound suppression. Understanding the science behind FRP can help … Read more
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Source: The Truth About Guns