Worker Mod Extended Barrel Tube Aluminum Upgrade kit for Harrier Blaster

DESCRIPTION 1.Compatible with Worker Mod Harrier blaster. 2.It is well matched with Harrier 1.6 spring to improve various performances of transmitter. 450/550 aluminum tube+1.6 spring can also be matched with worker bearing tube for better accuracy. 3.Improve the performance of the Harrier blaster.Easy maintenance, simple replacement. 4.Suitable for people over 14 years old,because the installation of this product requires some disassembly capacity. 5.Blaster not included! SPECIFICATIONS Material:Aluminum alloy Process: CNC Weight: 81g Gross weight: 85g 450 tube size: inner 13mm, outer 16mm, Long 450mm 550 tube size: inner 13mm, outer 16mm, Long 550mm Applicable age: 14+ PACKAGE INCLUDED 1 x tube