Patriot Valley Arms

The Mad Scientist .30 Cal Muzzle Brake


The Mad Scienctist .30 Cal Muzzle Break by Pariot Valley Arms draws its name from its creator at Pariot Valley Arms. These brakes are designed and manufactred by Patriot Valley Arms. They are made from 416R stainless steel and threaded 5/8 x 24 class 3b...

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