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Should I install a flash hider or muzzle brake on my DCM or Varminter Barrel?

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Bushmaster does not recommend installing muzzle brakes or flash hiders to our DCM/CMP or Varminter barrels with the 11 degree competition crown. There is a gap left between the muzzle and the flash hider that allows carbon build up on the crown. These carbon deposits can trap moisture causing pitting to the crown which will affect accuracy in the long run.

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