Product Description

SilverBack Carbon barrel extension | Size

These Carbon barrel extensions are designed to be used directly on our 24mm threaded outer barrels: SRS G-Spec barrels, SRS Sport barrels  and TAc-41 barrels.

To use these extensions on any other barrels, you will have to use a DT muzzle brake (please check references SBA-FHD-06 & SBA-FHD-07), and a set of timing shims (please check reference SBA-SIL-06). To properly time the muzzle brake, please refer the Youtube video (https://www.youtube.com/watch?v=829ujuwRL6Q&t)

Weight(with spacer) : 68g

Outer diameter: 30mm

Inner diameter: 28mm