SureFire 6RT Turbo-Head Rechargeable Flashlight
The SureFire 6RT Turbo-Head flashlight is a modified version of the 6R equipped with a 3 inch diameter reflector/head assembly. This assembly, identified as the T4, is machined from a solid 3 inch diameter bar of aluminum and is specially designed to provide a focused, long reaching beam.
The 6RT uses the N4 lamp assembly, consisting of the lamp from the R90 mounted into a new assembly, and offers the same output and runtime as the 6R. The difference is that the Turbo-Head focuses the light into a much narrower beam.
The T4 Turbo-Head accessory and N4 lamp assembly were made available for purchase separately as an upgrade for owners of the 6R.