BCA Essential VFC Avalon RIS M4 SOPMOD Build Internals Parts We have also added a

We have also added a front bushing plate for improved nozzle stability

Bonus: Includes 1 PTS Low Profile QD Sling Swivel

QD sling mounts on stock

VFC Avalon Gearbox featuring improved bearings

BCA Essential VFC Avalon RIS M4 SOPMOD Build Internals Parts We have also added aBCA Essential Build Are you looking for the best cost to performance ratio upgrade package for your favourite AEG? AEGs upgraded with the BCA Essential Build provide top level shooting performance while keeping your bank account in the game instead of packing up and going home. Parts*: PDI 6. 05mm SUS304 Stainless Steel Inner Barrel 375mm Maple Leaf Macaron Bucking 60* MAXX M4E Hop Up Chamber Jefftron Leviathan Optical Trigger Board w Bluetooth BCA