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Tag Archives: Nickel Boron

FailZero EXO Bolt Carrier Group

FailZero EXO

Anyone who runs a suppressed semi-automatic gun like an AR-15 knows just how dirty the chamber gets.  Filthy, in fact.  A suppressor works by slowing down the gas through a series of internal baffles.  The slower the gas is released the quieter the perceived sound.  However, this tends to raise the pressure levels and force more of the dirty gas – containing unburned powder, dirt, oil, and carbon – back into the chamber.  An adjustable gas block certainly helps but there is no way getting around it – a suppressed gun is a dirty gun.  And few us like to clean guns especially if you have to clean or lube during a range session or match.

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