Echo barrel extension

The Echo barrel extension is a Nerf barrel extension that was released in 2020 under the Elite 2.0 series.

It comes packaged with the Echo CS-10 and Phoenix CS-10, and cannot be purchased separately.

Details
The Echo barrel extension is a medium-length detachable barrel extension accessory. It features four tactical rails on it: one on top, one on the bottom, and one on either side. It also has a sling point, meant to be used in conjunction with another sling point fixed to whatever blaster it is attached to.