It is a m203 grenade launcher with with 3 shell,the gun works perfectly fine, the shell work but not so well, the silver shell is in ruff shape but the yellow one with the tape dosent hold as much as , the yellow grenade with no tape work perfectly fineor in ok shape.comes with a repro eotech 552 , YOU PAY SHIPPING FEES, OR MEET UP IN CALIFORNIA bell. Trade all for a Mac 11 SHOOT ME OFFERS FOR ITEMS, I do have evike foam balls for the yellow grenades