BCA Essential VFC Sig Sauer Proforce MCX Virtus Build Shotguns a standard tech fee will

a standard tech fee will be charged instead

1x G&G UVT-106 Tracer Unit

) that come with 12mm external threads

and anything in between

BCA Essential VFC Sig Sauer Proforce MCX Virtus Build Shotguns a standard tech fee willBCA 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 300mm Maple Leaf Macaron Bucking 60* MAXX M4E Hop Up Chamber Jefftron Leviathan Optical Trigger Board w Bluetooth BCA