MECHBOX PRO CNC Aluminum Spring Guide for VFC Spec V2 Sig Air Compatible with:

Compatible with:

Please be sure to loc tite the screw to keep your safeties tight

and on target

Construction: Aluminum & Steel

MECHBOX PRO CNC Aluminum Spring Guide for VFC Spec V2 Sig Air Compatible with:Maximize your AEGs performance with a Mechbox Pro CNC Aluminum Spring Guide. Designed for ELITE Force Umarex BCM Air and other VFC spec Gear boxes, this spring guide has a reduced stem circumference, which will allow you to use various strength aftermarket springs to dial it your desired velocity. Features: Steel and aluminum construction Designed to reduce spring torsion Utilizes thrust bearing spacer to maximize capabilities of spring Reduced stem