Shop › FORTIS RED STS MUZZLE BRAKE 556 FORTIS RED STS MUZZLE BRAKE 556 $75.00 Fortis Manufacturing, Inc. RED Muzzle Brake, 5.56MM, Stainless Steel Finish F-REDSS Quantity: Add To Cart Added! Fortis Manufacturing, Inc. RED Muzzle Brake, 5.56MM, Stainless Steel Finish F-REDSS