Hurricane Flexi Air Kit (Standard ASA) RAP4 Includes: 4x Low Profile Rail

Includes: 4x Low Profile Rail Covers

1 x Tank and stock

Quick Release Ring Mount (Cantilever)

This barrel will fit Aliens

Hurricane Flexi Air Kit (Standard ASA) RAP4 Includes: 4x Low Profile RailThis amazing upgrade replaces your bottomline ASA with a much better solution: a rear mounted ASA and an internal air line. With the Internal Air Through Upgrade Kit, you can attach an HPA or CO2 tank directly to the rear of your marker! You can also attach your choice of air through stocks! When you use the Internal Air Through Upgrade Kit to run a remote line to the rear of your receiver, as when using a RAP4 air through stock, you will dramatically