Mack Brothers Centerfire Suppressors attach via a Flash Hider or Muzzle Brake Adapter. All of our Adapters use a patent pending Ball Lock Interface for solid, repeatable mounting that prevents shift. Our Adapters are made from Hardened 17-4 PH Stainless Steel (available for 1⁄2-28 and 5/8-24 threaded muzzles).
F7 7.62 mm Flash hider 5/8-24 3B thread P/N F758
F5 5.56 mm Flash hider 1⁄2-28 3B thread P/N F512
B7 7.62 mm Muzzle brake 5/8-24 3B thread P/N B758
B5 5.56 mm Muzzle brake 1⁄2-28 3B thread P/N B512