Add some color under your Unique-ARs handguard. Heat shield is made to slide under handguard and over the 556 barrel nut bolt, and be tightened down to barrel with the included end cap that will replace your muzzle brake. Handguard length, barrel length, length of gas system, and color specification required. Heat shields are made to fit the barrel lengths pictured below. Barrel measurements are from the front face of the