VFC M249 Nutsack HPA AdapterMADE TO ORDER, BUT MAKE SURE TO GET GUILLOTINE'S M249 BARRELS TOO!! A big plastic box magazine HPA adapter for your VFC 249 LMG; after installing the included HPA fittings, this is plug and play! If you already have a 100rd nutsack and just need the feeding mechanism, click here instead OR select "Nutsack Feeding Insert Only". This does not use cassette magazines or a custom cassette to feed BBs into the chamber. Instead, this uses a "starter tab" of