Fully upgraded m249 Thing shoots like a beast laying down continuous heavy fire at around 24-27 bbs at 1.37J-1.4J with .3s Comes loaded with a bullgear hopup 13:1 SHS gears It is R.hopped Umbrella armory compression parts (basically SHS) Wired it to deans Setup to run box mag from battery (so basically continues to reload as you pull the trigger) Willing to trade also