Own the world's most effective flash hider! It eliminates nearly 100% of your muzzle flash and quickly disperses the burning gases exploding from the barrel. Faster night time and low light follow up shots are easier to do because sight recovery is not hindered by a bright flash of light. The four prongs on the end of the brake are designed to protect the muzzle crown and gives this flash hider a one of a kind custom look! This flash hider will significantly reduces muzzle flash to help preserve your night vision. Requires no permanent modifications to rifle. Recommended torque is 20-25 ft-lbs.