MECHBOX PRO CNC Aluminum Spring Guide for VFC Spec V2 Sig Air Used extensively in mil-sim events

Used extensively in mil-sim events

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

For having the high stability

and on target

which provide increased protection for the most extreme conditions

MECHBOX PRO CNC Aluminum Spring Guide for VFC Spec V2 Sig Air Used extensively in mil-sim eventsMaximize 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