Inception Designs Master Screw Kit Casual Wear Fills your GBB mags with

Fills your GBB mags with computer duster gas (HFC134A)

Battery - CR2032

It comes complete with all attachments and upgrades shown which include the MP5 shroud

but can be adapted to fit most goggles

Inception Designs Master Screw Kit Casual Wear Fills your GBB mags withThis is a master set of all the screws you should need (and more) to build a full Autococker or Sniper. All screws bolts are stainless steel unless otherwise noted It includes VASA Bolt Screw X 1 Valve Set Screw X Cocking rod tension Screw Nylon X2 Feedneck Lever Screw X 1 Locking Screw for Inception Feedneck X 1 Locking Screw for Empire Feedneck X 1 T Slot Mounting screws X 2 Sear Adjustment screw X 1 Grip Screws Round Head 6 32 X 4 Grip Screws Flat