BCA Level 1 Upgraded VFC Avalon Calibur II PDW (Black / Tan) Color:Tan Strong Screw glue is needed

Strong Screw glue is needed for installation

Tienly bearing spring guides feature high-quality ball bearings which allow the spring to rotate during compression and release freely

You can swap full upper receivers with any AEG 2

ICS split gearboxes

MilSpec buffer tube and stock

BCA Level 1 Upgraded VFC Avalon Calibur II PDW (Black / Tan) Color:Tan Strong Screw glue is neededLevel 1 Upgrade Build PDI 6. 05mm SUS304 Stainless Steel Inner Barrel SHS Steel 14T 7 Hole Lightened Piston BCA CNC Aluminium Air Nozzle w O ring BCA CNC Aluminium Cylinder Head w Sorbo Guarder Tappet Plate with Enhanced Tappet Spring Deans Connector Avalon Gearbox Includes: Built in MOSFET, Li Po Ready! Balanced Torque Motor with Neodymium Magnets Ball Bearing Quick Change Spring Guide (requires gearbox removal from a receiver) This is a dependable,