ULTIMATE Bearing Spring Guide - V.6/7 Barrel Diameter_6.03mm Metal parts include the barrel

Metal parts include the barrel

These bushings do not contain ball bearings like the 8mm bushings

Inserting a fresh magazine and pressing the bolt catch releases the bolt and firing can resume

An exceptionally high quality Li-Fe battery pack

Quality Tokyo Marui brand means reliable feeding every time

ULTIMATE Bearing Spring Guide - V.6/7 Barrel Diameter_6.03mm Metal parts include the barrelA premium, high strength spring guide with full metal construction. Features steel bearings under a rotatable guide to minimise friction when the spring is compressed. This allows a higher fire rate to be sustained. The high strength construction allows for higher power setups with zero chance of guide breakage. A high strength spring guide with full metal construction. Suitable for version 6 7 gearboxes. View our entire range of ULTIMATE parts here.